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317005207 = 6713934039
BaseRepresentation
bin10010111001010…
…001110110010111
3211002111112101121
4102321101312113
51122123131312
651242304411
710566333301
oct2271216627
9732445347
10317005207
11152a39782
128a1b8107
13508a305c
143015c971
151cc6c707
hex12e51d97

317005207 has 8 divisors (see below), whose sum is σ = 324060800. Its totient is φ = 310018104.

The previous prime is 317005193. The next prime is 317005211. The reversal of 317005207 is 702500713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 317005207 - 219 = 316480919 is a prime.

It is a super-2 number, since 2×3170052072 = 200984602530225698, 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 (317005217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7707 + ... + 26332.

It is an arithmetic number, because the mean of its divisors is an integer number (40507600).

Almost surely, 2317005207 is an apocalyptic number.

317005207 is a deficient number, since it is larger than the sum of its proper divisors (7055593).

317005207 is a wasteful number, since it uses less digits than its factorization.

317005207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34245.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 317005207 is about 17804.6400412926. The cubic root of 317005207 is about 681.8499274199.

The spelling of 317005207 in words is "three hundred seventeen million, five thousand, two hundred seven".

Divisors: 1 67 139 9313 34039 2280613 4731421 317005207