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317120797 = 7247137699
BaseRepresentation
bin10010111001101…
…110000100011101
3211002201101221201
4102321232010131
51122140331142
651244555501
710600324300
oct2271560435
9732641851
10317120797
11153008604
128a252b91
1350913856
143018cb37
151cc91ab7
hex12e6e11d

317120797 has 12 divisors (see below), whose sum is σ = 376747200. Its totient is φ = 266032536.

The previous prime is 317120789. The next prime is 317120801. The reversal of 317120797 is 797021713.

It is not a de Polignac number, because 317120797 - 23 = 317120789 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 (317120767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66547 + ... + 71152.

It is an arithmetic number, because the mean of its divisors is an integer number (31395600).

Almost surely, 2317120797 is an apocalyptic number.

It is an amenable number.

317120797 is a deficient number, since it is larger than the sum of its proper divisors (59626403).

317120797 is a wasteful number, since it uses less digits than its factorization.

317120797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137760 (or 137753 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 37.

The square root of 317120797 is about 17807.8858093823. The cubic root of 317120797 is about 681.9327919427.

The spelling of 317120797 in words is "three hundred seventeen million, one hundred twenty thousand, seven hundred ninety-seven".

Divisors: 1 7 47 49 329 2303 137699 963893 6471853 6747251 45302971 317120797