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146945952 = 253231109151
BaseRepresentation
bin10001100001000…
…11011110100000
3101020111121221200
420300203132200
5300104232302
622325321200
73433006566
oct1060433640
9336447850
10146945952
1175a4673a
1241266200
132459ca8a
1415731a36
15cd7981c
hex8c237a0

146945952 has 144 divisors (see below), whose sum is σ = 438197760. Its totient is φ = 46656000.

The previous prime is 146945893. The next prime is 146945959. The reversal of 146945952 is 259549641.

146945952 is a `hidden beast` number, since 146 + 9 + 459 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1469459522 = 43186225618372608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146945898 and 146945907.

It is not an unprimeable number, because it can be changed into a prime (146945959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 973077 + ... + 973227.

It is an arithmetic number, because the mean of its divisors is an integer number (3043040).

Almost surely, 2146945952 is an apocalyptic number.

146945952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146945952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219098880).

146945952 is an abundant number, since it is smaller than the sum of its proper divisors (291251808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146945952 is a wasteful number, since it uses less digits than its factorization.

146945952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 296 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 146945952 is about 12122.1265461139. The cubic root of 146945952 is about 527.6985193516.

The spelling of 146945952 in words is "one hundred forty-six million, nine hundred forty-five thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 72 93 96 109 124 144 151 186 218 248 279 288 302 327 372 436 453 496 558 604 654 744 872 906 981 992 1116 1208 1308 1359 1488 1744 1812 1962 2232 2416 2616 2718 2976 3379 3488 3624 3924 4464 4681 4832 5232 5436 6758 7248 7848 8928 9362 10137 10464 10872 13516 14043 14496 15696 16459 18724 20274 21744 27032 28086 30411 31392 32918 37448 40548 42129 43488 49377 54064 56172 60822 65836 74896 81096 84258 98754 108128 112344 121644 131672 148131 149792 162192 168516 197508 224688 243288 263344 296262 324384 337032 395016 449376 486576 510229 526688 592524 674064 790032 973152 1020458 1185048 1348128 1530687 1580064 2040916 2370096 3061374 4081832 4592061 4740192 6122748 8163664 9184122 12245496 16327328 18368244 24490992 36736488 48981984 73472976 146945952