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472845025 = 5243492
BaseRepresentation
bin11100001011110…
…000101011100001
31012221202000102201
4130023300223201
51432022020100
6114530413201
714501054632
oct3413605341
91187660381
10472845025
112229aa514
12112431201
1376c68073
1446b27889
152b7a236a
hex1c2f0ae1

472845025 has 9 divisors (see below), whose sum is σ = 586462681. Its totient is φ = 378189040.

The previous prime is 472845007. The next prime is 472845041. The reversal of 472845025 is 520548274.

It is a happy number.

The square root of 472845025 is 21745.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 232471009 + 240374016 = 15247^2 + 15504^2 .

It is not a de Polignac number, because 472845025 - 25 = 472844993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 106551 + ... + 110899.

Almost surely, 2472845025 is an apocalyptic number.

472845025 is the 21745-th square number.

472845025 is the 10873-rd centered octagonal number.

It is an amenable number.

472845025 is a deficient number, since it is larger than the sum of its proper divisors (113617656).

472845025 is an frugal number, since it uses more digits than its factorization.

472845025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708 (or 4354 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The cubic root of 472845025 is about 779.0636501334.

The spelling of 472845025 in words is "four hundred seventy-two million, eight hundred forty-five thousand, twenty-five".

Divisors: 1 5 25 4349 21745 108725 18913801 94569005 472845025