Search a number
-
+
317917914 = 23232303753
BaseRepresentation
bin10010111100110…
…000101011011010
3211011012220101120
4102330300223122
51122341333124
651314030110
710610154246
oct2274605332
9734186346
10317917914
11153502486
128a578336
1350b32612
1430319426
151cd9cd79
hex12f30ada

317917914 has 16 divisors (see below), whose sum is σ = 663481152. Its totient is φ = 101365088.

The previous prime is 317917889. The next prime is 317917921. The reversal of 317917914 is 419719713.

It is a super-2 number, since 2×3179179142 = 202143600084222792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151739 + ... + 1152014.

It is an arithmetic number, because the mean of its divisors is an integer number (41467572).

Almost surely, 2317917914 is an apocalyptic number.

317917914 is an abundant number, since it is smaller than the sum of its proper divisors (345563238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317917914 is a wasteful number, since it uses less digits than its factorization.

317917914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303781.

The product of its digits is 47628, while the sum is 42.

The square root of 317917914 is about 17830.2527744281. The cubic root of 317917914 is about 682.5036841836.

The spelling of 317917914 in words is "three hundred seventeen million, nine hundred seventeen thousand, nine hundred fourteen".

Divisors: 1 2 3 6 23 46 69 138 2303753 4607506 6911259 13822518 52986319 105972638 158958957 317917914