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172968402 = 2328828067
BaseRepresentation
bin10100100111101…
…00100111010010
3110001110201001010
422103310213102
5323234442102
625055151350
74200131025
oct1223644722
9401421033
10172968402
11896aa7a2
1249b15556
1329ab1489
1418d871bc
15102b9d6c
hexa4f49d2

172968402 has 8 divisors (see below), whose sum is σ = 345936816. Its totient is φ = 57656132.

The previous prime is 172968361. The next prime is 172968407. The reversal of 172968402 is 204869271.

172968402 is digitally balanced in base 2, 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.

172968402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (172968407) 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, 14414028 + ... + 14414039.

It is an arithmetic number, because the mean of its divisors is an integer number (43242102).

Almost surely, 2172968402 is an apocalyptic number.

172968402 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.

172968402 is a wasteful number, since it uses less digits than its factorization.

172968402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28828072.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 172968402 is about 13151.7452073860. The cubic root of 172968402 is about 557.1715394457.

The spelling of 172968402 in words is "one hundred seventy-two million, nine hundred sixty-eight thousand, four hundred two".

Divisors: 1 2 3 6 28828067 57656134 86484201 172968402