Base | Representation |
---|---|
bin | 10010110001111… |
… | …01100100000000 |
3 | 101222102210021111 |
4 | 21120331210000 |
5 | 310312213220 |
6 | 23344333104 |
7 | 3622025044 |
oct | 1130754400 |
9 | 358383244 |
10 | 157538560 |
11 | 80a21063 |
12 | 44914194 |
13 | 2683b2aa |
14 | 16ccc024 |
15 | dc6d15a |
hex | 963d900 |
157538560 has 36 divisors (see below), whose sum is σ = 377357148. Its totient is φ = 63014912.
The previous prime is 157538503. The next prime is 157538581. The reversal of 157538560 is 65835751.
It can be written as a sum of positive squares in 2 ways, for example, as 61968384 + 95570176 = 7872^2 + 9776^2 .
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60259 + ... + 62818.
It is an arithmetic number, because the mean of its divisors is an integer number (10482143).
Almost surely, 2157538560 is an apocalyptic number.
157538560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
157538560 is an abundant number, since it is smaller than the sum of its proper divisors (219818588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157538560 is an equidigital number, since it uses as much as digits as its factorization.
157538560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123098 (or 123084 counting only the distinct ones).
The product of its (nonzero) digits is 126000, while the sum is 40.
The square root of 157538560 is about 12551.4365711659. The cubic root of 157538560 is about 540.0852174610.
The spelling of 157538560 in words is "one hundred fifty-seven million, five hundred thirty-eight thousand, five hundred sixty".
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