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157682252 = 22713433193
BaseRepresentation
bin10010110011000…
…00101001001100
3101222201002101102
421121200221030
5310331313002
623351402232
73623164010
oct1131405114
9358632342
10157682252
118100a012
1244983378
132688b810
1416d28540
15dc9aa02
hex9660a4c

157682252 has 24 divisors (see below), whose sum is σ = 339624096. Its totient is φ = 62379648.

The previous prime is 157682243. The next prime is 157682281. The reversal of 157682252 is 252286751.

157682252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 216233 + ... + 216960.

It is an arithmetic number, because the mean of its divisors is an integer number (14151004).

Almost surely, 2157682252 is an apocalyptic number.

It is an amenable number.

157682252 is an abundant number, since it is smaller than the sum of its proper divisors (181941844).

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

157682252 is a wasteful number, since it uses less digits than its factorization.

157682252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433217 (or 433215 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 157682252 is about 12557.1593921555. The cubic root of 157682252 is about 540.2493727046.

The spelling of 157682252 in words is "one hundred fifty-seven million, six hundred eighty-two thousand, two hundred fifty-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 433193 866386 1732772 3032351 5631509 6064702 11263018 12129404 22526036 39420563 78841126 157682252