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317142667 = 1741455011
BaseRepresentation
bin10010111001110…
…011011010001011
3211002202111221201
4102321303122023
51122142031132
651245245031
710600445122
oct2271633213
9732674851
10317142667
11153022a86
128a263777
13509207aa
1430196ab9
151cc982e7
hex12e7368b

317142667 has 8 divisors (see below), whose sum is σ = 343989072. Its totient is φ = 291206400.

The previous prime is 317142647. The next prime is 317142677. The reversal of 317142667 is 766241713.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-317142667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317142647) 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, 226809 + ... + 228202.

It is an arithmetic number, because the mean of its divisors is an integer number (42998634).

Almost surely, 2317142667 is an apocalyptic number.

317142667 is a deficient number, since it is larger than the sum of its proper divisors (26846405).

317142667 is a wasteful number, since it uses less digits than its factorization.

317142667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455069.

The product of its digits is 42336, while the sum is 37.

The square root of 317142667 is about 17808.4998525985. The cubic root of 317142667 is about 681.9484679117.

The spelling of 317142667 in words is "three hundred seventeen million, one hundred forty-two thousand, six hundred sixty-seven".

Divisors: 1 17 41 697 455011 7735187 18655451 317142667