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157337530 = 25746553
BaseRepresentation
bin10010110000011…
…00011110111010
3101222001120111221
421120030132322
5310234300110
623340142254
73620230000
oct1130143672
9358046457
10157337530
11808a4019
124483798a
132679a93c
1416c78a70
15dc2d7da
hex960c7ba

157337530 has 40 divisors (see below), whose sum is σ = 330439572. Its totient is φ = 53936064.

The previous prime is 157337501. The next prime is 157337581. The reversal of 157337530 is 35733751.

It is a happy number.

157337530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 153685609 + 3651921 = 12397^2 + 1911^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20734 + ... + 27286.

Almost surely, 2157337530 is an apocalyptic number.

157337530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157337530 is an abundant number, since it is smaller than the sum of its proper divisors (173102042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157337530 is an frugal number, since it uses more digits than its factorization.

157337530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6588 (or 6567 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 34.

The square root of 157337530 is about 12543.4257681066. The cubic root of 157337530 is about 539.8553910905.

The spelling of 157337530 in words is "one hundred fifty-seven million, three hundred thirty-seven thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 343 490 686 1715 2401 3430 4802 6553 12005 13106 24010 32765 45871 65530 91742 229355 321097 458710 642194 1605485 2247679 3210970 4495358 11238395 15733753 22476790 31467506 78668765 157337530