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157556234 = 21145715671
BaseRepresentation
bin10010110010000…
…01111000001010
3101222110200112002
421121001320022
5310313244414
623344551002
73622130423
oct1131017012
9358420462
10157556234
1180a33370
1244922462
1326846354
1416cd464a
15dc734de
hex9641e0a

157556234 has 16 divisors (see below), whose sum is σ = 258399936. Its totient is φ = 71455200.

The previous prime is 157556183. The next prime is 157556237. The reversal of 157556234 is 432655751.

It is a happy number.

157556234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (157556237) by changing a digit.

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, 2219 + ... + 17889.

It is an arithmetic number, because the mean of its divisors is an integer number (16149996).

Almost surely, 2157556234 is an apocalyptic number.

157556234 is a deficient number, since it is larger than the sum of its proper divisors (100843702).

157556234 is a wasteful number, since it uses less digits than its factorization.

157556234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16141.

The product of its digits is 126000, while the sum is 38.

The square root of 157556234 is about 12552.1406142538. The cubic root of 157556234 is about 540.1054138058.

The spelling of 157556234 in words is "one hundred fifty-seven million, five hundred fifty-six thousand, two hundred thirty-four".

Divisors: 1 2 11 22 457 914 5027 10054 15671 31342 172381 344762 7161647 14323294 78778117 157556234