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317474493 = 3715117833
BaseRepresentation
bin10010111011000…
…100011010111101
3211010101101010120
4102323010122331
51122233140433
651300325153
710603326420
oct2273043275
9733341116
10317474493
1115322a316
128a3a37b9
1350a0883b
14302419b7
151cd117b3
hex12ec46bd

317474493 has 8 divisors (see below), whose sum is σ = 483770688. Its totient is φ = 181413984.

The previous prime is 317474491. The next prime is 317474537. The reversal of 317474493 is 394474713.

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

It is not a de Polignac number, because 317474493 - 21 = 317474491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317474491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7558896 + ... + 7558937.

It is an arithmetic number, because the mean of its divisors is an integer number (60471336).

Almost surely, 2317474493 is an apocalyptic number.

It is an amenable number.

317474493 is a deficient number, since it is larger than the sum of its proper divisors (166296195).

317474493 is a wasteful number, since it uses less digits than its factorization.

317474493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15117843.

The product of its digits is 254016, while the sum is 42.

The square root of 317474493 is about 17817.8139231501. The cubic root of 317474493 is about 682.1862256361.

The spelling of 317474493 in words is "three hundred seventeen million, four hundred seventy-four thousand, four hundred ninety-three".

Divisors: 1 3 7 21 15117833 45353499 105824831 317474493