Search a number
-
+
157345636 = 2275619487
BaseRepresentation
bin10010110000011…
…10011101100100
3101222001222122011
421120032131210
5310240030021
623340244004
73620262430
oct1130163544
9358058564
10157345636
11808aa118
1244840604
13267a1536
1416c7b9c0
15dc30de1
hex960e764

157345636 has 12 divisors (see below), whose sum is σ = 314691328. Its totient is φ = 67433832.

The previous prime is 157345597. The next prime is 157345649. The reversal of 157345636 is 636543751.

157345636 is an admirable number.

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, 2809716 + ... + 2809771.

Almost surely, 2157345636 is an apocalyptic number.

It is an amenable number.

157345636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157345636 is a wasteful number, since it uses less digits than its factorization.

157345636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619498 (or 5619496 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The square root of 157345636 is about 12543.7488814150. The cubic root of 157345636 is about 539.8646620141.

The spelling of 157345636 in words is "one hundred fifty-seven million, three hundred forty-five thousand, six hundred thirty-six".

Divisors: 1 2 4 7 14 28 5619487 11238974 22477948 39336409 78672818 157345636