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317745425 = 5212709817
BaseRepresentation
bin10010111100000…
…110100100010001
3211010220010210002
4102330012210101
51122320323200
651310215345
710605535334
oct2274064421
9733803702
10317745425
111533a4928
128a4b4555
1350aa1c5a
14302b261b
151cd66bd5
hex12f06911

317745425 has 6 divisors (see below), whose sum is σ = 394004358. Its totient is φ = 254196320.

The previous prime is 317745413. The next prime is 317745457. The reversal of 317745425 is 524547713.

It can be written as a sum of positive squares in 3 ways, for example, as 25472209 + 292273216 = 5047^2 + 17096^2 .

It is not a de Polignac number, because 317745425 - 24 = 317745409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6354884 + ... + 6354933.

It is an arithmetic number, because the mean of its divisors is an integer number (65667393).

Almost surely, 2317745425 is an apocalyptic number.

It is an amenable number.

317745425 is a deficient number, since it is larger than the sum of its proper divisors (76258933).

317745425 is a wasteful number, since it uses less digits than its factorization.

317745425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12709827 (or 12709822 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 317745425 is about 17825.4151424308. The cubic root of 317745425 is about 682.3802291763.

The spelling of 317745425 in words is "three hundred seventeen million, seven hundred forty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 12709817 63549085 317745425