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272172756 = 22322681063
BaseRepresentation
bin10000001110010…
…000011011010100
3200222010210211110
4100032100123110
51024134012011
643001335020
76513300402
oct2016203324
9628123743
10272172756
1112a6a8469
1277197470
1344506a8b
142820c472
1518d63ba6
hex103906d4

272172756 has 12 divisors (see below), whose sum is σ = 635069792. Its totient is φ = 90724248.

The previous prime is 272172709. The next prime is 272172767. The reversal of 272172756 is 657271272.

272172756 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11340520 + ... + 11340543.

Almost surely, 2272172756 is an apocalyptic number.

It is an amenable number.

272172756 is an abundant number, since it is smaller than the sum of its proper divisors (362897036).

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

272172756 is a wasteful number, since it uses less digits than its factorization.

272172756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22681070 (or 22681068 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 272172756 is about 16497.6591066733. The cubic root of 272172756 is about 648.0595033760.

The spelling of 272172756 in words is "two hundred seventy-two million, one hundred seventy-two thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 12 22681063 45362126 68043189 90724252 136086378 272172756