Search a number
-
+
157406764 = 2239351691
BaseRepresentation
bin10010110000111…
…01011000101100
3101222012002111011
421120131120230
5310244004024
623341435004
73620635564
oct1130353054
9358162434
10157406764
1180941039
124486ba64
13267c32c8
1416c95da4
15dc44094
hex961d62c

157406764 has 6 divisors (see below), whose sum is σ = 275461844. Its totient is φ = 78703380.

The previous prime is 157406759. The next prime is 157406801. The reversal of 157406764 is 467604751.

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 as a sum of consecutive naturals, namely, 19675842 + ... + 19675849.

Almost surely, 2157406764 is an apocalyptic number.

It is an amenable number.

157406764 is a deficient number, since it is larger than the sum of its proper divisors (118055080).

157406764 is a wasteful number, since it uses less digits than its factorization.

157406764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39351695 (or 39351693 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 157406764 is about 12546.1852369555. The cubic root of 157406764 is about 539.9345645448.

The spelling of 157406764 in words is "one hundred fifty-seven million, four hundred six thousand, seven hundred sixty-four".

Divisors: 1 2 4 39351691 78703382 157406764