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172107051 = 382169877
BaseRepresentation
bin10100100001000…
…10010100101011
3102222211221111020
422100202110223
5323024411201
625024503523
74156612554
oct1220422453
9388757436
10172107051
1189171636
124977aba3
132986c3bc
1418c0132b
1510199a36
hexa42252b

172107051 has 8 divisors (see below), whose sum is σ = 229758864. Its totient is φ = 114596640.

The previous prime is 172107041. The next prime is 172107079. The reversal of 172107051 is 150701271.

It is a happy number.

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

It is not a de Polignac number, because 172107051 - 210 = 172106027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172107041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32476 + ... + 37401.

It is an arithmetic number, because the mean of its divisors is an integer number (28719858).

Almost surely, 2172107051 is an apocalyptic number.

172107051 is a deficient number, since it is larger than the sum of its proper divisors (57651813).

172107051 is an equidigital number, since it uses as much as digits as its factorization.

172107051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70701.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 172107051 is about 13118.9576948781. The cubic root of 172107051 is about 556.2451291750.

The spelling of 172107051 in words is "one hundred seventy-two million, one hundred seven thousand, fifty-one".

Divisors: 1 3 821 2463 69877 209631 57369017 172107051