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172712834 = 2712336631
BaseRepresentation
bin10100100101101…
…10001110000010
3110000222201110122
422102312032002
5323203302314
625045500242
74165014650
oct1222661602
9400881418
10172712834
1189545788
1249a11682
1329a22058
1418d1bdd0
151026928e
hexa4b6382

172712834 has 8 divisors (see below), whose sum is σ = 296079168. Its totient is φ = 74019780.

The previous prime is 172712807. The next prime is 172712851. The reversal of 172712834 is 438217271.

172712834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 172712794 and 172712803.

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, 6168302 + ... + 6168329.

It is an arithmetic number, because the mean of its divisors is an integer number (37009896).

Almost surely, 2172712834 is an apocalyptic number.

172712834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

172712834 is a deficient number, since it is larger than the sum of its proper divisors (123366334).

172712834 is a wasteful number, since it uses less digits than its factorization.

172712834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12336640.

The product of its digits is 18816, while the sum is 35.

The square root of 172712834 is about 13142.0254907682. The cubic root of 172712834 is about 556.8969894825.

The spelling of 172712834 in words is "one hundred seventy-two million, seven hundred twelve thousand, eight hundred thirty-four".

Divisors: 1 2 7 14 12336631 24673262 86356417 172712834