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157074234 = 2397269887
BaseRepresentation
bin10010101110011…
…00001100111010
3101221120012100020
421113030030322
5310202333414
623330351310
73615052242
oct1127141472
9357505306
10157074234
1180734219
124472b536
1326707b45
1416c0ab22
15dbca7a9
hex95cc33a

157074234 has 16 divisors (see below), whose sum is σ = 317388288. Its totient is φ = 51818112.

The previous prime is 157074217. The next prime is 157074259. The reversal of 157074234 is 432470751.

157074234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 157074195 and 157074204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134362 + ... + 135525.

It is an arithmetic number, because the mean of its divisors is an integer number (19836768).

Almost surely, 2157074234 is an apocalyptic number.

157074234 is an abundant number, since it is smaller than the sum of its proper divisors (160314054).

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

157074234 is a wasteful number, since it uses less digits than its factorization.

157074234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269989.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 157074234 is about 12532.9259951537. The cubic root of 157074234 is about 539.5540831789.

The spelling of 157074234 in words is "one hundred fifty-seven million, seventy-four thousand, two hundred thirty-four".

Divisors: 1 2 3 6 97 194 291 582 269887 539774 809661 1619322 26179039 52358078 78537117 157074234