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472213038 = 231112175879
BaseRepresentation
bin11100001001010…
…110011000101110
31012220112220111210
4130021112120232
51431341304123
6114505055250
714462513253
oct3411263056
91186486453
10472213038
11222608710
12112187526
1376aa64cb
1446a0142a
152b6c9e93
hex1c25662e

472213038 has 32 divisors (see below), whose sum is σ = 1031304960. Its totient is φ = 142952960.

The previous prime is 472213013. The next prime is 472213067. The reversal of 472213038 is 830312274.

It is a junction number, because it is equal to n+sod(n) for n = 472212996 and 472213014.

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, 77383 + ... + 83261.

It is an arithmetic number, because the mean of its divisors is an integer number (32228280).

Almost surely, 2472213038 is an apocalyptic number.

472213038 is an abundant number, since it is smaller than the sum of its proper divisors (559091922).

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

472213038 is a wasteful number, since it uses less digits than its factorization.

472213038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7112.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 472213038 is about 21730.4633636745. The cubic root of 472213038 is about 778.7164062572.

The spelling of 472213038 in words is "four hundred seventy-two million, two hundred thirteen thousand, thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 1217 2434 3651 5879 7302 11758 13387 17637 26774 35274 40161 64669 80322 129338 194007 388014 7154743 14309486 21464229 42928458 78702173 157404346 236106519 472213038