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252147344 = 24232923627
BaseRepresentation
bin11110000011101…
…11011010010000
3122120110102010112
433001313122100
51004022203334
641004220452
76151134311
oct1701673220
9576412115
10252147344
1111a370039
127053a728
1340314c17
14256b8608
151720a4ce
hexf077690

252147344 has 40 divisors (see below), whose sum is σ = 527376960. Its totient is φ = 116428928.

The previous prime is 252147317. The next prime is 252147353. The reversal of 252147344 is 443741252.

252147344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252147344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142 + ... + 22485.

It is an arithmetic number, because the mean of its divisors is an integer number (13184424).

Almost surely, 2252147344 is an apocalyptic number.

It is an amenable number.

252147344 is an abundant number, since it is smaller than the sum of its proper divisors (275229616).

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

252147344 is a wasteful number, since it uses less digits than its factorization.

252147344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23687 (or 23681 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 252147344 is about 15879.1480879800. The cubic root of 252147344 is about 631.7590412946.

Adding to 252147344 its reverse (443741252), we get a palindrome (695888596).

The spelling of 252147344 in words is "two hundred fifty-two million, one hundred forty-seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 23 29 46 58 92 116 184 232 368 464 667 1334 2668 5336 10672 23627 47254 94508 189016 378032 543421 685183 1086842 1370366 2173684 2740732 4347368 5481464 8694736 10962928 15759209 31518418 63036836 126073672 252147344