Base | Representation |
---|---|
bin | 10010110010110… |
… | …10101100111010 |
3 | 101222122212000000 |
4 | 21121122230322 |
5 | 310330023124 |
6 | 23351053430 |
7 | 3623033031 |
oct | 1131325472 |
9 | 358585000 |
10 | 157657914 |
11 | 80aa27a7 |
12 | 44971276 |
13 | 2688070b |
14 | 16d1d718 |
15 | dc936c9 |
hex | 965ab3a |
157657914 has 56 divisors (see below), whose sum is σ = 359798112. Its totient is φ = 51778440.
The previous prime is 157657897. The next prime is 157657921. The reversal of 157657914 is 419756751.
157657914 is a `hidden beast` number, since 1 + 5 + 76 + 579 + 1 + 4 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 157657914.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 102757 + ... + 104279.
Almost surely, 2157657914 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157657914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179899056).
157657914 is an abundant number, since it is smaller than the sum of its proper divisors (202140198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157657914 is an equidigital number, since it uses as much as digits as its factorization.
157657914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1614 (or 1599 counting only the distinct ones).
The product of its digits is 264600, while the sum is 45.
The square root of 157657914 is about 12556.1902661596. The cubic root of 157657914 is about 540.2215757361.
The spelling of 157657914 in words is "one hundred fifty-seven million, six hundred fifty-seven thousand, nine hundred fourteen".
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