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252724252 = 22115743733
BaseRepresentation
bin11110001000001…
…00010000011100
3122121112201111111
433010010100130
51004144134002
641024431404
76156056254
oct1704042034
9577481444
10252724252
1111a724520
1270778564
13404876a1
14257c8964
15172c13d7
hexf10441c

252724252 has 12 divisors (see below), whose sum is σ = 482473656. Its totient is φ = 114874640.

The previous prime is 252724243. The next prime is 252724259. The reversal of 252724252 is 252427252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252724259) 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, 2871823 + ... + 2871910.

It is an arithmetic number, because the mean of its divisors is an integer number (40206138).

Almost surely, 2252724252 is an apocalyptic number.

252724252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252724252 is a deficient number, since it is larger than the sum of its proper divisors (229749404).

252724252 is a wasteful number, since it uses less digits than its factorization.

252724252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5743748 (or 5743746 counting only the distinct ones).

The product of its digits is 22400, while the sum is 31.

The square root of 252724252 is about 15897.3032933262. The cubic root of 252724252 is about 632.2404915818.

The spelling of 252724252 in words is "two hundred fifty-two million, seven hundred twenty-four thousand, two hundred fifty-two".

Divisors: 1 2 4 11 22 44 5743733 11487466 22974932 63181063 126362126 252724252