Search a number
-
+
172268375 = 531378147
BaseRepresentation
bin10100100010010…
…01101101010111
3110000011010210012
422101021231113
5323100042000
625032150435
74161154106
oct1221115527
9400133705
10172268375
1189271864
124983841b
13298c7966
1418c4403d
15101cc735
hexa449b57

172268375 has 8 divisors (see below), whose sum is σ = 214991088. Its totient is φ = 137814600.

The previous prime is 172268357. The next prime is 172268417. The reversal of 172268375 is 573862271.

172268375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172268375 - 210 = 172267351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688949 + ... + 689198.

It is an arithmetic number, because the mean of its divisors is an integer number (26873886).

Almost surely, 2172268375 is an apocalyptic number.

172268375 is a deficient number, since it is larger than the sum of its proper divisors (42722713).

172268375 is an equidigital number, since it uses as much as digits as its factorization.

172268375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378162 (or 1378152 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 172268375 is about 13125.1047614867. The cubic root of 172268375 is about 556.4188731045.

The spelling of 172268375 in words is "one hundred seventy-two million, two hundred sixty-eight thousand, three hundred seventy-five".

Divisors: 1 5 25 125 1378147 6890735 34453675 172268375