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10155912 = 2331343757
BaseRepresentation
bin100110101111…
…011110001000
3201002222021220
4212233132020
510044442122
61001402040
7152216034
oct46573610
921088256
1010155912
115807318
123499320
132147820
1414c51c4
15d5925c
hex9af788

10155912 has 64 divisors (see below), whose sum is σ = 28015680. Its totient is φ = 3048192.

The previous prime is 10155889. The next prime is 10155917. The reversal of 10155912 is 21955101.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10155917) 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 15 ways as a sum of consecutive naturals, for example, 13038 + ... + 13794.

It is an arithmetic number, because the mean of its divisors is an integer number (437745).

Almost surely, 210155912 is an apocalyptic number.

10155912 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 10155912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14007840).

10155912 is an abundant number, since it is smaller than the sum of its proper divisors (17859768).

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

10155912 is a wasteful number, since it uses less digits than its factorization.

10155912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 10155912 is about 3186.8341657513. The cubic root of 10155912 is about 216.5573739388.

The spelling of 10155912 in words is "ten million, one hundred fifty-five thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 43 52 78 86 104 129 156 172 258 312 344 516 559 757 1032 1118 1514 1677 2236 2271 3028 3354 4472 4542 6056 6708 9084 9841 13416 18168 19682 29523 32551 39364 59046 65102 78728 97653 118092 130204 195306 236184 260408 390612 423163 781224 846326 1269489 1692652 2538978 3385304 5077956 10155912