Search a number
-
+
156379664 = 2471396247
BaseRepresentation
bin10010101001000…
…10101000010000
3101220020220120102
421110202220100
5310013122124
623303431532
73606130250
oct1124425020
9356226512
10156379664
11802aa3a1
12444555a8
132652395c
1416aa9960
15dadeaae
hex9522a10

156379664 has 20 divisors (see below), whose sum is σ = 346269504. Its totient is φ = 67019808.

The previous prime is 156379621. The next prime is 156379673. The reversal of 156379664 is 466973651.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698012 + ... + 698235.

Almost surely, 2156379664 is an apocalyptic number.

156379664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

156379664 is an abundant number, since it is smaller than the sum of its proper divisors (189889840).

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

156379664 is a wasteful number, since it uses less digits than its factorization.

156379664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396262 (or 1396256 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 156379664 is about 12505.1854844300. The cubic root of 156379664 is about 538.7576193782.

The spelling of 156379664 in words is "one hundred fifty-six million, three hundred seventy-nine thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 1396247 2792494 5584988 9773729 11169976 19547458 22339952 39094916 78189832 156379664