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317484947 = 1328018719
BaseRepresentation
bin10010111011000…
…110111110010011
3211010101220110202
4102323012332103
51122234004242
651300445415
710603402043
oct2273067623
9733356422
10317484947
1115323715a
128a3a986b
1350a10520
1430245723
151cd14932
hex12ec6f93

317484947 has 8 divisors (see below), whose sum is σ = 342068160. Its totient is φ = 292924800.

The previous prime is 317484883. The next prime is 317484989. The reversal of 317484947 is 749484713.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 317484947 - 26 = 317484883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317484997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32054 + ... + 40772.

It is an arithmetic number, because the mean of its divisors is an integer number (42758520).

Almost surely, 2317484947 is an apocalyptic number.

317484947 is a deficient number, since it is larger than the sum of its proper divisors (24583213).

317484947 is a wasteful number, since it uses less digits than its factorization.

317484947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11533.

The product of its digits is 677376, while the sum is 47.

The square root of 317484947 is about 17818.1072788330. The cubic root of 317484947 is about 682.1937133731.

The spelling of 317484947 in words is "three hundred seventeen million, four hundred eighty-four thousand, nine hundred forty-seven".

Divisors: 1 13 2801 8719 36413 113347 24421919 317484947