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315264 = 273821
BaseRepresentation
bin1001100111110000000
3121000110110
41030332000
540042024
610431320
72452065
oct1147600
9530413
10315264
111a5954
12132540
13b0661
1482c6c
1563629
hex4cf80

315264 has 32 divisors (see below), whose sum is σ = 838440. Its totient is φ = 104960.

The previous prime is 315257. The next prime is 315269. The reversal of 315264 is 462513.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 315264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27 + ... + 794.

2315264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419220).

315264 is an abundant number, since it is smaller than the sum of its proper divisors (523176).

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

315264 is an equidigital number, since it uses as much as digits as its factorization.

315264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 826 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 315264 is about 561.4837486517. The cubic root of 315264 is about 68.0599241091.

Adding to 315264 its reverse (462513), we get a palindrome (777777).

The spelling of 315264 in words is "three hundred fifteen thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 821 1642 2463 3284 4926 6568 9852 13136 19704 26272 39408 52544 78816 105088 157632 315264