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540012172 = 22719286149
BaseRepresentation
bin100000001011111…
…110111010001100
31101122010110102211
4200023332322030
52101220342142
6125330200204
716245012340
oct4013767214
91348113384
10540012172
11257906157
12130a23064
1387b5433b
1451a0d620
153261d917
hex202fee8c

540012172 has 12 divisors (see below), whose sum is σ = 1080024400. Its totient is φ = 231433776.

The previous prime is 540012169. The next prime is 540012203. The reversal of 540012172 is 271210045.

It is a happy number.

540012172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

540012172 is an admirable number.

It is a super-2 number, since 2×5400121722 = 583226291816315168, which contains 22 as substring.

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, 9643047 + ... + 9643102.

Almost surely, 2540012172 is an apocalyptic number.

It is an amenable number.

540012172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

540012172 is a wasteful number, since it uses less digits than its factorization.

540012172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19286160 (or 19286158 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 540012172 is about 23238.1619755092. The cubic root of 540012172 is about 814.3314034309.

The spelling of 540012172 in words is "five hundred forty million, twelve thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 19286149 38572298 77144596 135003043 270006086 540012172