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157563564 = 22313130297
BaseRepresentation
bin10010110010000…
…11101010101100
3101222111001120120
421121003222230
5310314013224
623345044540
73622160664
oct1131035254
9358431516
10157563564
1180a38924
1244926750
13268497a2
1416cd71a4
15dc75779
hex9643aac

157563564 has 12 divisors (see below), whose sum is σ = 367648344. Its totient is φ = 52521184.

The previous prime is 157563559. The next prime is 157563587. The reversal of 157563564 is 465365751.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6565137 + ... + 6565160.

It is an arithmetic number, because the mean of its divisors is an integer number (30637362).

Almost surely, 2157563564 is an apocalyptic number.

It is an amenable number.

157563564 is an abundant number, since it is smaller than the sum of its proper divisors (210084780).

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

157563564 is a wasteful number, since it uses less digits than its factorization.

157563564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13130304 (or 13130302 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 157563564 is about 12552.4325929280. The cubic root of 157563564 is about 540.1137894635.

The spelling of 157563564 in words is "one hundred fifty-seven million, five hundred sixty-three thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 13130297 26260594 39390891 52521188 78781782 157563564