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317072192 = 264954253
BaseRepresentation
bin10010111001100…
…010001101000000
3211002121221021112
4102321202031000
51122132302232
651243542452
710600032503
oct2271421500
9732557245
10317072192
11152a85038
128a22aa28
13508c76a8
143017913a
151cc824b2
hex12e62340

317072192 has 14 divisors (see below), whose sum is σ = 629190258. Its totient is φ = 158536064.

The previous prime is 317072191. The next prime is 317072221. The reversal of 317072192 is 291270713.

It can be written as a sum of positive squares in only one way, i.e., 302203456 + 14868736 = 17384^2 + 3856^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317072191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2477063 + ... + 2477190.

Almost surely, 2317072192 is an apocalyptic number.

317072192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

317072192 is a deficient number, since it is larger than the sum of its proper divisors (312118066).

317072192 is an equidigital number, since it uses as much as digits as its factorization.

317072192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954265 (or 4954255 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 317072192 is about 17806.5210526930. The cubic root of 317072192 is about 681.8979502912.

The spelling of 317072192 in words is "three hundred seventeen million, seventy-two thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 4954253 9908506 19817012 39634024 79268048 158536096 317072192