Base | Representation |
---|---|
bin | 10010101111000… |
… | …01000001101010 |
3 | 101221201112100100 |
4 | 21113201001222 |
5 | 310213101110 |
6 | 23332250230 |
7 | 3615556023 |
oct | 1127410152 |
9 | 357645310 |
10 | 157159530 |
11 | 80792310 |
12 | 44770976 |
13 | 26737908 |
14 | 16c2dc4a |
15 | dbe5bc0 |
hex | 95e106a |
157159530 has 48 divisors (see below), whose sum is σ = 445764384. Its totient is φ = 38099040.
The previous prime is 157159523. The next prime is 157159537. The reversal of 157159530 is 35951751.
157159530 is a `hidden beast` number, since 1 + 5 + 71 + 59 + 530 = 666.
It is an interprime number because it is at equal distance from previous prime (157159523) and next prime (157159537).
It is not an unprimeable number, because it can be changed into a prime (157159537) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78384 + ... + 80363.
It is an arithmetic number, because the mean of its divisors is an integer number (9286758).
Almost surely, 2157159530 is an apocalyptic number.
157159530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157159530 is an abundant number, since it is smaller than the sum of its proper divisors (288604854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157159530 is a wasteful number, since it uses less digits than its factorization.
157159530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158771 (or 158768 counting only the distinct ones).
The product of its (nonzero) digits is 23625, while the sum is 36.
The square root of 157159530 is about 12536.3284098655. The cubic root of 157159530 is about 539.6517301662.
The spelling of 157159530 in words is "one hundred fifty-seven million, one hundred fifty-nine thousand, five hundred thirty".
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