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472130275 = 5247401813
BaseRepresentation
bin11100001001000…
…010001011100011
31012220101200222111
4130021002023203
51431331132100
6114503220151
714462020051
oct3411021343
91186350874
10472130275
11222561511
12112147657
1376a77936
14469bd1d1
152b6b06ba
hex1c2422e3

472130275 has 12 divisors (see below), whose sum is σ = 597899232. Its totient is φ = 369667040.

The previous prime is 472130261. The next prime is 472130291. The reversal of 472130275 is 572031274.

It is not a de Polignac number, because 472130275 - 27 = 472130147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199732 + ... + 202081.

It is an arithmetic number, because the mean of its divisors is an integer number (49824936).

Almost surely, 2472130275 is an apocalyptic number.

472130275 is a deficient number, since it is larger than the sum of its proper divisors (125768957).

472130275 is a wasteful number, since it uses less digits than its factorization.

472130275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401870 (or 401865 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 472130275 is about 21728.5589720073. The cubic root of 472130275 is about 778.6709093689.

Subtracting 472130275 from its reverse (572031274), we obtain a palindrome (99900999).

The spelling of 472130275 in words is "four hundred seventy-two million, one hundred thirty thousand, two hundred seventy-five".

Divisors: 1 5 25 47 235 1175 401813 2009065 10045325 18885211 94426055 472130275