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146442912 = 25371121801
BaseRepresentation
bin10001011101010…
…00101010100000
3101012120001220120
420232220222200
5244442133122
622310440240
73425513160
oct1056505240
9335501816
10146442912
1175732800
1241063080
1324454b15
14156405a0
15ccca75c
hex8ba8aa0

146442912 has 144 divisors (see below), whose sum is σ = 483166656. Its totient is φ = 38016000.

The previous prime is 146442911. The next prime is 146442931. The reversal of 146442912 is 219244641.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (146442911) 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, 80412 + ... + 82212.

It is an arithmetic number, because the mean of its divisors is an integer number (3355324).

Almost surely, 2146442912 is an apocalyptic number.

146442912 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 146442912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241583328).

146442912 is an abundant number, since it is smaller than the sum of its proper divisors (336723744).

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

146442912 is a wasteful number, since it uses less digits than its factorization.

146442912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843 (or 1824 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 146442912 is about 12101.3599235788. The cubic root of 146442912 is about 527.0956742332.

The spelling of 146442912 in words is "one hundred forty-six million, four hundred forty-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 66 77 84 88 96 112 121 132 154 168 176 224 231 242 264 308 336 352 363 462 484 528 616 672 726 847 924 968 1056 1232 1452 1694 1801 1848 1936 2464 2541 2904 3388 3602 3696 3872 5082 5403 5808 6776 7204 7392 10164 10806 11616 12607 13552 14408 19811 20328 21612 25214 27104 28816 37821 39622 40656 43224 50428 57632 59433 75642 79244 81312 86448 100856 118866 138677 151284 158488 172896 201712 217921 237732 277354 302568 316976 403424 416031 435842 475464 554708 605136 633952 653763 832062 871684 950928 1109416 1210272 1307526 1525447 1664124 1743368 1901856 2218832 2615052 3050894 3328248 3486736 4437664 4576341 5230104 6101788 6656496 6973472 9152682 10460208 12203576 13312992 18305364 20920416 24407152 36610728 48814304 73221456 146442912