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315241232 = 2431635567
BaseRepresentation
bin10010110010100…
…011001100010000
3210222011220200012
4102302203030100
51121200204412
651140414052
710545335435
oct2262431420
9728156605
10315241232
11151a44449
12896a7328
1350406197
142dc1db8c
151ca1ec22
hex12ca3310

315241232 has 20 divisors (see below), whose sum is σ = 630483456. Its totient is φ = 152535840.

The previous prime is 315241211. The next prime is 315241261. The reversal of 315241232 is 232142513.

315241232 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 315241198 and 315241207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317288 + ... + 318279.

Almost surely, 2315241232 is an apocalyptic number.

It is an amenable number.

315241232 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315241232 is a wasteful number, since it uses less digits than its factorization.

315241232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635606 (or 635600 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 315241232 is about 17755.0339903927. The cubic root of 315241232 is about 680.5828566676.

Adding to 315241232 its reverse (232142513), we get a palindrome (547383745).

The spelling of 315241232 in words is "three hundred fifteen million, two hundred forty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 31 62 124 248 496 635567 1271134 2542268 5084536 10169072 19702577 39405154 78810308 157620616 315241232