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472805532 = 223337911551
BaseRepresentation
bin11100001011100…
…111000010011100
31012221200000021000
4130023213002130
51432014234112
6114525510300
714500531533
oct3413470234
91187600230
10472805532
11222982881
12112412390
1376c530b4
1446b1731a
152b7957dc
hex1c2e709c

472805532 has 48 divisors (see below), whose sum is σ = 1229132800. Its totient is φ = 157172400.

The previous prime is 472805407. The next prime is 472805569. The reversal of 472805532 is 235508274.

472805532 is a `hidden beast` number, since 47 + 2 + 80 + 5 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35157 + ... + 46707.

Almost surely, 2472805532 is an apocalyptic number.

It is an amenable number.

472805532 is an abundant number, since it is smaller than the sum of its proper divisors (756327268).

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

472805532 is a wasteful number, since it uses less digits than its factorization.

472805532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11943 (or 11935 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 472805532 is about 21744.0918872231. The cubic root of 472805532 is about 779.0419598573.

The spelling of 472805532 in words is "four hundred seventy-two million, eight hundred five thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 379 758 1137 1516 2274 3411 4548 6822 10233 11551 13644 20466 23102 34653 40932 46204 69306 103959 138612 207918 311877 415836 623754 1247508 4377829 8755658 13133487 17511316 26266974 39400461 52533948 78800922 118201383 157601844 236402766 472805532