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317124864 = 283272532
BaseRepresentation
bin10010111001101…
…111000100000000
3211002201121112100
4102321233010000
51122140443424
651245030400
710600342200
oct2271570400
9732647470
10317124864
11153010671
128a255400
1350915664
1430190400
151cc92dc9
hex12e6f100

317124864 has 243 divisors, whose sum is σ = 1084077813. Its totient is φ = 88897536.

The previous prime is 317124827. The next prime is 317124923. The reversal of 317124864 is 468421713.

The square root of 317124864 is 17808.

It is a perfect power (a square), and thus also a powerful number.

317124864 is a `hidden beast` number, since 3 + 171 + 2 + 486 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 228614400 + 88510464 = 15120^2 + 9408^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5983462 + ... + 5983514.

Almost surely, 2317124864 is an apocalyptic number.

317124864 is the 17808-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317124864

317124864 is an abundant number, since it is smaller than the sum of its proper divisors (766952949).

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

317124864 is an equidigital number, since it uses as much as digits as its factorization.

317124864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 65 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The cubic root of 317124864 is about 681.9357071397.

Multiplying 317124864 by its sum of digits (36), we get a square (11416495104 = 1068482).

317124864 divided by its sum of digits (36) gives a square (8809024 = 29682).

The spelling of 317124864 in words is "three hundred seventeen million, one hundred twenty-four thousand, eight hundred sixty-four".