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146948040 = 233351031321
BaseRepresentation
bin10001100001000…
…11111111001000
3101020111201211000
420300203333020
5300104314130
622325335000
73433015641
oct1060437710
9336451730
10146948040
1175a48268
1241267460
13245a0a05
14157326c8
15cd7a260
hex8c23fc8

146948040 has 128 divisors (see below), whose sum is σ = 494956800. Its totient is φ = 38776320.

The previous prime is 146948027. The next prime is 146948041. The reversal of 146948040 is 40849641.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 146947986 and 146948004.

It is not an unprimeable number, because it can be changed into a prime (146948041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110580 + ... + 111900.

It is an arithmetic number, because the mean of its divisors is an integer number (3866850).

Almost surely, 2146948040 is an apocalyptic number.

146948040 is a gapful number since it is divisible by the number (10) 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 146948040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247478400).

146948040 is an abundant number, since it is smaller than the sum of its proper divisors (348008760).

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

146948040 is a wasteful number, since it uses less digits than its factorization.

146948040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 146948040 is about 12122.2126693108. The cubic root of 146948040 is about 527.7010187496.

The spelling of 146948040 in words is "one hundred forty-six million, nine hundred forty-eight thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 103 108 120 135 180 206 216 270 309 360 412 515 540 618 824 927 1030 1080 1236 1321 1545 1854 2060 2472 2642 2781 3090 3708 3963 4120 4635 5284 5562 6180 6605 7416 7926 9270 10568 11124 11889 12360 13210 13905 15852 18540 19815 22248 23778 26420 27810 31704 35667 37080 39630 47556 52840 55620 59445 71334 79260 95112 111240 118890 136063 142668 158520 178335 237780 272126 285336 356670 408189 475560 544252 680315 713340 816378 1088504 1224567 1360630 1426680 1632756 2040945 2449134 2721260 3265512 3673701 4081890 4898268 5442520 6122835 7347402 8163780 9796536 12245670 14694804 16327560 18368505 24491340 29389608 36737010 48982680 73474020 146948040