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172712764 = 2276168313
BaseRepresentation
bin10100100101101…
…10001100111100
3110000222201101001
422102312030330
5323203302024
625045500044
74165014520
oct1222661474
9400881331
10172712764
1189545724
1249a11624
1329a22003
1418d1bd80
1510269244
hexa4b633c

172712764 has 12 divisors (see below), whose sum is σ = 345425584. Its totient is φ = 74019744.

The previous prime is 172712753. The next prime is 172712767. The reversal of 172712764 is 467217271.

172712764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

172712764 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172712767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3084129 + ... + 3084184.

Almost surely, 2172712764 is an apocalyptic number.

172712764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

172712764 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.

172712764 is a wasteful number, since it uses less digits than its factorization.

172712764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168324 (or 6168322 counting only the distinct ones).

The product of its digits is 32928, while the sum is 37.

The square root of 172712764 is about 13142.0228275559. The cubic root of 172712764 is about 556.8969142462.

The spelling of 172712764 in words is "one hundred seventy-two million, seven hundred twelve thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 28 6168313 12336626 24673252 43178191 86356382 172712764