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317051938 = 27171332151
BaseRepresentation
bin10010111001011…
…101010000100010
3211002120220111101
4102321131100202
51122131130223
651243305014
710566616450
oct2271352042
9732526441
10317051938
11152a708a5
128a21b16a
13508bb3c8
14301719d0
151cc7b4ad
hex12e5d422

317051938 has 16 divisors (see below), whose sum is σ = 575489664. Its totient is φ = 127886400.

The previous prime is 317051929. The next prime is 317051939. The reversal of 317051938 is 839150713.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 317051897 and 317051906.

It is not an unprimeable number, because it can be changed into a prime (317051939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665838 + ... + 666313.

It is an arithmetic number, because the mean of its divisors is an integer number (35968104).

Almost surely, 2317051938 is an apocalyptic number.

317051938 is a deficient number, since it is larger than the sum of its proper divisors (258437726).

317051938 is a wasteful number, since it uses less digits than its factorization.

317051938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332177.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 317051938 is about 17805.9523193790. The cubic root of 317051938 is about 681.8834305115.

The spelling of 317051938 in words is "three hundred seventeen million, fifty-one thousand, nine hundred thirty-eight".

Divisors: 1 2 7 14 17 34 119 238 1332151 2664302 9325057 18650114 22646567 45293134 158525969 317051938