Base | Representation |
---|---|
bin | 10010110100110… |
… | …01011110011000 |
3 | 102000010220200220 |
4 | 21122121132120 |
5 | 310411240112 |
6 | 23400400040 |
7 | 3625153452 |
oct | 1132313630 |
9 | 360126626 |
10 | 157915032 |
11 | 811589a0 |
12 | 44a76020 |
13 | 26940762 |
14 | 16d892d2 |
15 | dce498c |
hex | 9699798 |
157915032 has 32 divisors (see below), whose sum is σ = 430678080. Its totient is φ = 47852960.
The previous prime is 157915027. The next prime is 157915039. The reversal of 157915032 is 230519751.
157915032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1579150322 = 49874314663122048, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 157914984 and 157915002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157915039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298818 + ... + 299345.
It is an arithmetic number, because the mean of its divisors is an integer number (13458690).
Almost surely, 2157915032 is an apocalyptic number.
157915032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
157915032 is an abundant number, since it is smaller than the sum of its proper divisors (272763048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157915032 is a wasteful number, since it uses less digits than its factorization.
157915032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 598183 (or 598179 counting only the distinct ones).
The product of its (nonzero) digits is 9450, while the sum is 33.
The square root of 157915032 is about 12566.4247898915. The cubic root of 157915032 is about 540.5150915022.
The spelling of 157915032 in words is "one hundred fifty-seven million, nine hundred fifteen thousand, thirty-two".
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