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317955199 = 1729071213
BaseRepresentation
bin10010111100111…
…001110001111111
3211011021210112111
4102330321301333
51122344031244
651314514451
710610401042
oct2274716177
9734253474
10317955199
111535284a1
128a595a27
1350b46593
1430328c59
151cda8e34
hex12f39c7f

317955199 has 12 divisors (see below), whose sum is σ = 338409784. Its totient is φ = 298675584.

The previous prime is 317955193. The next prime is 317955203. The reversal of 317955199 is 991559713.

It is not a de Polignac number, because 317955199 - 23 = 317955191 is a prime.

It is a super-2 number, since 2×3179551992 = 202191017142259202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317955191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261517 + ... + 262729.

Almost surely, 2317955199 is an apocalyptic number.

317955199 is a deficient number, since it is larger than the sum of its proper divisors (20454585).

317955199 is a wasteful number, since it uses less digits than its factorization.

317955199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154 (or 2137 counting only the distinct ones).

The product of its digits is 382725, while the sum is 49.

The square root of 317955199 is about 17831.2982982171. The cubic root of 317955199 is about 682.5303641891.

The spelling of 317955199 in words is "three hundred seventeen million, nine hundred fifty-five thousand, one hundred ninety-nine".

Divisors: 1 17 289 907 1213 15419 20621 262123 350557 1100191 18703247 317955199