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317282145 = 3521152143
BaseRepresentation
bin10010111010010…
…101011101100001
3211010000121021120
4102322111131201
51122211012040
651252242453
710601565555
oct2272253541
9733017246
10317282145
11153108854
128a310429
135096c11b
14301d1865
151ccc47d0
hex12e95761

317282145 has 8 divisors (see below), whose sum is σ = 507651456. Its totient is φ = 169217136.

The previous prime is 317282129. The next prime is 317282201. The reversal of 317282145 is 541282713.

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

It is not a de Polignac number, because 317282145 - 24 = 317282129 is a prime.

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, 10576057 + ... + 10576086.

It is an arithmetic number, because the mean of its divisors is an integer number (63456432).

Almost surely, 2317282145 is an apocalyptic number.

It is an amenable number.

317282145 is a deficient number, since it is larger than the sum of its proper divisors (190369311).

317282145 is a wasteful number, since it uses less digits than its factorization.

317282145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21152151.

The product of its digits is 13440, while the sum is 33.

The square root of 317282145 is about 17812.4154734837. The cubic root of 317282145 is about 682.0484259408.

The spelling of 317282145 in words is "three hundred seventeen million, two hundred eighty-two thousand, one hundred forty-five".

Divisors: 1 3 5 15 21152143 63456429 105760715 317282145