Search a number
-
+
252315264 = 273657071
BaseRepresentation
bin11110000101000…
…00011010000000
3122120202221110210
433002200122000
51004043042024
641011554120
76152434005
oct1702403200
9576687423
10252315264
1111a475213
12705bb940
1340373496
142571d8ac
1517240129
hexf0a0680

252315264 has 32 divisors (see below), whose sum is σ = 670213440. Its totient is φ = 84104960.

The previous prime is 252315263. The next prime is 252315299. The reversal of 252315264 is 462513252.

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

It is not an unprimeable number, because it can be changed into a prime (252315263) 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, 328152 + ... + 328919.

It is an arithmetic number, because the mean of its divisors is an integer number (20944170).

Almost surely, 2252315264 is an apocalyptic number.

252315264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252315264 is an abundant number, since it is smaller than the sum of its proper divisors (417898176).

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

252315264 is an equidigital number, since it uses as much as digits as its factorization.

252315264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657088 (or 657076 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 252315264 is about 15884.4346452746. The cubic root of 252315264 is about 631.8992522202.

The spelling of 252315264 in words is "two hundred fifty-two million, 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 657071 1314142 1971213 2628284 3942426 5256568 7884852 10513136 15769704 21026272 31539408 42052544 63078816 84105088 126157632 252315264