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317507417 is a prime number
BaseRepresentation
bin10010111011001…
…100011101011001
3211010110001021222
4102323030131121
51122240214132
651301141425
710603524413
oct2273143531
9733401258
10317507417
11153252027
128a3ba875
1350a1a816
143024d9b3
151cd1b412
hex12ecc759

317507417 has 2 divisors, whose sum is σ = 317507418. Its totient is φ = 317507416.

The previous prime is 317507369. The next prime is 317507467. The reversal of 317507417 is 714705713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163226176 + 154281241 = 12776^2 + 12421^2 .

It is a cyclic number.

It is not a de Polignac number, because 317507417 - 220 = 316458841 is a prime.

It is not a weakly prime, because it can be changed into another prime (317507467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158753708 + 158753709.

It is an arithmetic number, because the mean of its divisors is an integer number (158753709).

Almost surely, 2317507417 is an apocalyptic number.

It is an amenable number.

317507417 is a deficient number, since it is larger than the sum of its proper divisors (1).

317507417 is an equidigital number, since it uses as much as digits as its factorization.

317507417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 317507417 is about 17818.7378060288. The cubic root of 317507417 is about 682.2098070822.

The spelling of 317507417 in words is "three hundred seventeen million, five hundred seven thousand, four hundred seventeen".