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317980707 = 311411991181
BaseRepresentation
bin10010111101000…
…000000000100011
3211011100002112020
4102331000000203
51122400340312
651315232523
710610535312
oct2275000043
9734302466
10317980707
11153545680
128a5a8743
1350b55085
1430334279
151cdb178c
hex12f40023

317980707 has 32 divisors (see below), whose sum is σ = 476582400. Its totient is φ = 186912000.

The previous prime is 317980697. The next prime is 317980721. The reversal of 317980707 is 707089713.

It is a happy number.

It is not a de Polignac number, because 317980707 - 26 = 317980643 is a prime.

It is a super-2 number, since 2×3179807072 = 202223460048439698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (317980787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268657 + ... + 269837.

It is an arithmetic number, because the mean of its divisors is an integer number (14893200).

Almost surely, 2317980707 is an apocalyptic number.

317980707 is a deficient number, since it is larger than the sum of its proper divisors (158601693).

317980707 is a wasteful number, since it uses less digits than its factorization.

317980707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 317980707 is about 17832.0135430635. The cubic root of 317980707 is about 682.5486157321.

The spelling of 317980707 in words is "three hundred seventeen million, nine hundred eighty thousand, seven hundred seven".

Divisors: 1 3 11 33 41 123 199 451 597 1181 1353 2189 3543 6567 8159 12991 24477 38973 48421 89749 145263 235019 269247 532631 705057 1597893 2585209 7755627 9635779 28907337 105993569 317980707