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317620052 = 22317250489
BaseRepresentation
bin10010111011100…
…111111101010100
3211010122202210122
4102323213331110
51122302320202
651303411112
710604503661
oct2273477524
9733582718
10317620052
11153319712
128a453a98
1350a59b79
143027ca68
151cd3e9a2
hex12ee7f54

317620052 has 12 divisors (see below), whose sum is σ = 557590740. Its totient is φ = 158308416.

The previous prime is 317620049. The next prime is 317620073. The reversal of 317620052 is 250026713.

It can be written as a sum of positive squares in 2 ways, for example, as 83101456 + 234518596 = 9116^2 + 15314^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123977 + ... + 126512.

It is an arithmetic number, because the mean of its divisors is an integer number (46465895).

Almost surely, 2317620052 is an apocalyptic number.

It is an amenable number.

317620052 is a deficient number, since it is larger than the sum of its proper divisors (239970688).

317620052 is a wasteful number, since it uses less digits than its factorization.

317620052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250810 (or 250808 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 317620052 is about 17821.8981031763. The cubic root of 317620052 is about 682.2904683129.

Adding to 317620052 its reverse (250026713), we get a palindrome (567646765).

The spelling of 317620052 in words is "three hundred seventeen million, six hundred twenty thousand, fifty-two".

Divisors: 1 2 4 317 634 1268 250489 500978 1001956 79405013 158810026 317620052