Base | Representation |
---|---|
bin | 10010101110011… |
… | …11101110010100 |
3 | 101221120221010112 |
4 | 21113033232110 |
5 | 310203314120 |
6 | 23330542152 |
7 | 3615142301 |
oct | 1127175624 |
9 | 357527115 |
10 | 157088660 |
11 | 80744043 |
12 | 44737958 |
13 | 26711591 |
14 | 16c120a8 |
15 | dbcebc5 |
hex | 95cfb94 |
157088660 has 12 divisors (see below), whose sum is σ = 329886228. Its totient is φ = 62835456.
The previous prime is 157088651. The next prime is 157088663. The reversal of 157088660 is 66880751.
It can be written as a sum of positive squares in 2 ways, for example, as 54228496 + 102860164 = 7364^2 + 10142^2 .
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157088663) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927197 + ... + 3927236.
It is an arithmetic number, because the mean of its divisors is an integer number (27490519).
Almost surely, 2157088660 is an apocalyptic number.
157088660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
157088660 is an abundant number, since it is smaller than the sum of its proper divisors (172797568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157088660 is a wasteful number, since it uses less digits than its factorization.
157088660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7854442 (or 7854440 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 41.
The square root of 157088660 is about 12533.5015059639. The cubic root of 157088660 is about 539.5706005685.
The spelling of 157088660 in words is "one hundred fifty-seven million, eighty-eight thousand, six hundred sixty".
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