Search a number
-
+
152431864 = 23131465691
BaseRepresentation
bin10010001010111…
…10110011111000
3101121211100012121
421011132303320
5303010304424
623043051024
73530435524
oct1105366370
9347740177
10152431864
1179053352
1243070a74
1325770a90
141635cd84
15d5aeee4
hex915ecf8

152431864 has 16 divisors (see below), whose sum is σ = 307795320. Its totient is φ = 70353120.

The previous prime is 152431849. The next prime is 152431883. The reversal of 152431864 is 468134251.

It is a congruent number.

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, 732742 + ... + 732949.

Almost surely, 2152431864 is an apocalyptic number.

It is an amenable number.

152431864 is an abundant number, since it is smaller than the sum of its proper divisors (155363456).

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

152431864 is a wasteful number, since it uses less digits than its factorization.

152431864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465710 (or 1465706 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 152431864 is about 12346.3299810106. The cubic root of 152431864 is about 534.1852845418.

The spelling of 152431864 in words is "one hundred fifty-two million, four hundred thirty-one thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 104 1465691 2931382 5862764 11725528 19053983 38107966 76215932 152431864