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317730625 = 54232312
BaseRepresentation
bin10010111100000…
…010111101000001
3211010212101110221
4102330002331001
51122314340000
651310023041
710605444232
oct2274027501
9733771427
10317730625
111533947a3
128a4a7a81
1350a982b4
14302ab089
151cd6261a
hex12f02f41

317730625 has 45 divisors (see below), whose sum is σ = 428869749. Its totient is φ = 235290000.

The previous prime is 317730599. The next prime is 317730631. The reversal of 317730625 is 526037713.

The square root of 317730625 is 17825.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24910081 + 292820544 = 4991^2 + 17112^2 .

It is not a de Polignac number, because 317730625 - 25 = 317730593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 10249360 + ... + 10249390.

Almost surely, 2317730625 is an apocalyptic number.

317730625 is the 17825-th square number.

317730625 is the 8913-rd centered octagonal number.

It is an amenable number.

317730625 is a deficient number, since it is larger than the sum of its proper divisors (111139124).

317730625 is an frugal number, since it uses more digits than its factorization.

317730625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 34.

The cubic root of 317730625 is about 682.3696343380.

The spelling of 317730625 in words is "three hundred seventeen million, seven hundred thirty thousand, six hundred twenty-five".

Divisors: 1 5 23 25 31 115 125 155 529 575 625 713 775 961 2645 2875 3565 3875 4805 13225 14375 16399 17825 19375 22103 24025 66125 81995 89125 110515 120125 330625 409975 445625 508369 552575 600625 2049875 2541845 2762875 10249375 12709225 13814375 63546125 317730625