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316948479 = 3149709057
BaseRepresentation
bin10010111001000…
…011111111111111
3211002101122120120
4102321003333333
51122114322404
651241150023
710566006021
oct2271037777
9732348516
10316948479
11152a000a1
128a18b313
13508832a3
1430146011
151cc5a9d9
hex12e43fff

316948479 has 8 divisors (see below), whose sum is σ = 425434800. Its totient is φ = 209880576.

The previous prime is 316948421. The next prime is 316948483. The reversal of 316948479 is 974849613.

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

It is not a de Polignac number, because 316948479 - 211 = 316946431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316948679) 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, 354082 + ... + 354975.

It is an arithmetic number, because the mean of its divisors is an integer number (53179350).

Almost surely, 2316948479 is an apocalyptic number.

316948479 is a deficient number, since it is larger than the sum of its proper divisors (108486321).

316948479 is a wasteful number, since it uses less digits than its factorization.

316948479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709209.

The product of its digits is 1306368, while the sum is 51.

The square root of 316948479 is about 17803.0469021457. The cubic root of 316948479 is about 681.8092527041.

The spelling of 316948479 in words is "three hundred sixteen million, nine hundred forty-eight thousand, four hundred seventy-nine".

Divisors: 1 3 149 447 709057 2127171 105649493 316948479