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472045257 = 32229229037
BaseRepresentation
bin11100001000101…
…101011011001001
31012220020101100200
4130020231123021
51431320422012
6114501322413
714461214145
oct3410553311
91186211320
10472045257
11222503652
12112106409
1376a48028
144699a225
152b6953dc
hex1c22d6c9

472045257 has 12 divisors (see below), whose sum is σ = 684823620. Its totient is φ = 313321248.

The previous prime is 472045241. The next prime is 472045279. The reversal of 472045257 is 752540274.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 412739856 + 59305401 = 20316^2 + 7701^2 .

It is not a de Polignac number, because 472045257 - 24 = 472045241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472045237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112458 + ... + 116579.

It is an arithmetic number, because the mean of its divisors is an integer number (57068635).

Almost surely, 2472045257 is an apocalyptic number.

It is an amenable number.

472045257 is a deficient number, since it is larger than the sum of its proper divisors (212778363).

472045257 is a wasteful number, since it uses less digits than its factorization.

472045257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229272 (or 229269 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 472045257 is about 21726.6025185716. The cubic root of 472045257 is about 778.6241673142.

The spelling of 472045257 in words is "four hundred seventy-two million, forty-five thousand, two hundred fifty-seven".

Divisors: 1 3 9 229 687 2061 229037 687111 2061333 52449473 157348419 472045257