Search a number
-
+
264479172 = 223149147919
BaseRepresentation
bin11111100001110…
…10000111000100
3200102122221012220
433300322013010
51020201313142
642124412340
76361015206
oct1760720704
9612587186
10264479172
11126323131
12746a70b0
1342a41c69
14271a8776
15183442ec
hexfc3a1c4

264479172 has 24 divisors (see below), whose sum is σ = 621264000. Its totient is φ = 87567456.

The previous prime is 264479161. The next prime is 264479179. The reversal of 264479172 is 271974462.

264479172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (264479179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72172 + ... + 75747.

It is an arithmetic number, because the mean of its divisors is an integer number (25886000).

Almost surely, 2264479172 is an apocalyptic number.

It is an amenable number.

264479172 is an abundant number, since it is smaller than the sum of its proper divisors (356784828).

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

264479172 is a wasteful number, since it uses less digits than its factorization.

264479172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148075 (or 148073 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 264479172 is about 16262.8156233784. The cubic root of 264479172 is about 641.8947527901.

The spelling of 264479172 in words is "two hundred sixty-four million, four hundred seventy-nine thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 149 298 447 596 894 1788 147919 295838 443757 591676 887514 1775028 22039931 44079862 66119793 88159724 132239586 264479172