Base | Representation |
---|---|
bin | 10010110100110… |
… | …01100110010000 |
3 | 102000010221101120 |
4 | 21122121212100 |
5 | 310411244121 |
6 | 23400402240 |
7 | 3625155102 |
oct | 1132314620 |
9 | 360127346 |
10 | 157915536 |
11 | 81159309 |
12 | 44a76380 |
13 | 26940a5c |
14 | 16d89572 |
15 | dce4bc6 |
hex | 9699990 |
157915536 has 80 divisors (see below), whose sum is σ = 431520000. Its totient is φ = 49624704.
The previous prime is 157915529. The next prime is 157915561. The reversal of 157915536 is 635519751.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316215 + ... + 316713.
It is an arithmetic number, because the mean of its divisors is an integer number (5394000).
Almost surely, 2157915536 is an apocalyptic number.
157915536 is a gapful number since it is divisible by the number (16) 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 157915536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215760000).
157915536 is an abundant number, since it is smaller than the sum of its proper divisors (273604464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157915536 is a wasteful number, since it uses less digits than its factorization.
157915536 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 876 (or 870 counting only the distinct ones).
The product of its digits is 141750, while the sum is 42.
The square root of 157915536 is about 12566.4448433119. Note that the first 3 decimals coincide. The cubic root of 157915536 is about 540.5156665358.
The spelling of 157915536 in words is "one hundred fifty-seven million, nine hundred fifteen thousand, five hundred thirty-six".
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