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317103157 = 73924499
BaseRepresentation
bin10010111001101…
…001110000110101
3211002200111202101
4102321221300311
51122134300112
651244342101
710600222000
oct2271516065
9732614671
10317103157
11152aa6328
128a244931
1350908807
1430186537
151cc8b757
hex12e69c35

317103157 has 8 divisors (see below), whose sum is σ = 369800000. Its totient is φ = 271802412.

The previous prime is 317103151. The next prime is 317103169. The reversal of 317103157 is 751301713.

It is not a de Polignac number, because 317103157 - 215 = 317070389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317103151) 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, 461907 + ... + 462592.

It is an arithmetic number, because the mean of its divisors is an integer number (46225000).

Almost surely, 2317103157 is an apocalyptic number.

It is an amenable number.

317103157 is a deficient number, since it is larger than the sum of its proper divisors (52696843).

317103157 is an frugal number, since it uses more digits than its factorization.

317103157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924520 (or 924506 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 317103157 is about 17807.3905162997. The cubic root of 317103157 is about 681.9201474262.

The spelling of 317103157 in words is "three hundred seventeen million, one hundred three thousand, one hundred fifty-seven".

Divisors: 1 7 49 343 924499 6471493 45300451 317103157