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317848054 = 21512833719
BaseRepresentation
bin10010111100011…
…111100111110110
3211011002100120011
4102330133213312
51122332114204
651312330434
710606443466
oct2274374766
9734070504
10317848054
11153464a47
128a543a1a
1350b09894
14302dbba6
151cd87304
hex12f1f9f6

317848054 has 16 divisors (see below), whose sum is σ = 481754880. Its totient is φ = 157271400.

The previous prime is 317848001. The next prime is 317848081. The reversal of 317848054 is 450848713.

It is a junction number, because it is equal to n+sod(n) for n = 317847998 and 317848016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83607 + ... + 87325.

It is an arithmetic number, because the mean of its divisors is an integer number (30109680).

Almost surely, 2317848054 is an apocalyptic number.

317848054 is a deficient number, since it is larger than the sum of its proper divisors (163906826).

317848054 is a wasteful number, since it uses less digits than its factorization.

317848054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 317848054 is about 17828.2936368010. The cubic root of 317848054 is about 682.4536888880.

The spelling of 317848054 in words is "three hundred seventeen million, eight hundred forty-eight thousand, fifty-four".

Divisors: 1 2 151 283 302 566 3719 7438 42733 85466 561569 1052477 1123138 2104954 158924027 317848054