Base | Representation |
---|---|
bin | 10010110100111… |
… | …00110100000100 |
3 | 102000011121110102 |
4 | 21122130310010 |
5 | 310412204313 |
6 | 23400543232 |
7 | 3625241360 |
oct | 1132346404 |
9 | 360147412 |
10 | 157928708 |
11 | 811681a3 |
12 | 44a81b18 |
13 | 26946a52 |
14 | 16d902a0 |
15 | dce8a58 |
hex | 969cd04 |
157928708 has 48 divisors (see below), whose sum is σ = 339220224. Its totient is φ = 62791680.
The previous prime is 157928699. The next prime is 157928713. The reversal of 157928708 is 807829751.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
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, 31460 + ... + 36132.
It is an arithmetic number, because the mean of its divisors is an integer number (7067088).
Almost surely, 2157928708 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157928708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169610112).
157928708 is an abundant number, since it is smaller than the sum of its proper divisors (181291516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157928708 is a wasteful number, since it uses less digits than its factorization.
157928708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4772 (or 4770 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 47.
The square root of 157928708 is about 12566.9689265153. The cubic root of 157928708 is about 540.5306945577.
The spelling of 157928708 in words is "one hundred fifty-seven million, nine hundred twenty-eight thousand, seven hundred eight".
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