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315494427 = 3234572383
BaseRepresentation
bin10010110011100…
…001000000011011
3210222122202222210
4102303201000123
51121231310202
651150050203
710550441553
oct2263410033
9728582883
10315494427
111520a76a6
12897a9963
13504944c1
142dc88163
151ca6ec6c
hex12ce101b

315494427 has 8 divisors (see below), whose sum is σ = 438948864. Its totient is φ = 201184808.

The previous prime is 315494363. The next prime is 315494437. The reversal of 315494427 is 724494513.

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 315494427 - 26 = 315494363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315494437) 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, 2286123 + ... + 2286260.

It is an arithmetic number, because the mean of its divisors is an integer number (54868608).

Almost surely, 2315494427 is an apocalyptic number.

315494427 is a deficient number, since it is larger than the sum of its proper divisors (123454437).

315494427 is a wasteful number, since it uses less digits than its factorization.

315494427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572409.

The product of its digits is 120960, while the sum is 39.

The square root of 315494427 is about 17762.1627906063. The cubic root of 315494427 is about 680.7650177608.

The spelling of 315494427 in words is "three hundred fifteen million, four hundred ninety-four thousand, four hundred twenty-seven".

Divisors: 1 3 23 69 4572383 13717149 105164809 315494427