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157270542 = 231113183299
BaseRepresentation
bin10010101111111…
…00001000001110
3101221221011121220
421113330020032
5310230124132
623334504210
73616530462
oct1127741016
9357834556
10157270542
1180858760
1244805066
13267762c0
1416c5c4a2
15dc18a2c
hex95fc20e

157270542 has 32 divisors (see below), whose sum is σ = 369532800. Its totient is φ = 43991520.

The previous prime is 157270537. The next prime is 157270571. The reversal of 157270542 is 245072751.

157270542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90792 + ... + 92507.

It is an arithmetic number, because the mean of its divisors is an integer number (11547900).

Almost surely, 2157270542 is an apocalyptic number.

157270542 is an abundant number, since it is smaller than the sum of its proper divisors (212262258).

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

157270542 is a wasteful number, since it uses less digits than its factorization.

157270542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183328.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 157270542 is about 12540.7552404151. The cubic root of 157270542 is about 539.7787639681.

The spelling of 157270542 in words is "one hundred fifty-seven million, two hundred seventy thousand, five hundred forty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 183299 366598 549897 1099794 2016289 2382887 4032578 4765774 6048867 7148661 12097734 14297322 26211757 52423514 78635271 157270542