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252694452 = 223196118169
BaseRepresentation
bin11110000111111…
…00111110110100
3122121111012121210
433003330332310
51004142210302
641024041420
76155603343
oct1703747664
9577435553
10252694452
1111a70409a
1270763270
1340476c5a
14257bbb5a
15172b766c
hexf0fcfb4

252694452 has 48 divisors (see below), whose sum is σ = 630862400. Its totient is φ = 78485760.

The previous prime is 252694447. The next prime is 252694459. The reversal of 252694452 is 254496252.

It is a self number, because there is not a number n which added to its sum of digits gives 252694452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252694459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4824 + ... + 22992.

Almost surely, 2252694452 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 252694452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315431200).

252694452 is an abundant number, since it is smaller than the sum of its proper divisors (378167948).

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

252694452 is a wasteful number, since it uses less digits than its factorization.

252694452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18256 (or 18254 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 252694452 is about 15896.3659998127. The cubic root of 252694452 is about 632.2156403759.

The spelling of 252694452 in words is "two hundred fifty-two million, six hundred ninety-four thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 19 38 57 61 76 114 122 183 228 244 366 732 1159 2318 3477 4636 6954 13908 18169 36338 54507 72676 109014 218028 345211 690422 1035633 1108309 1380844 2071266 2216618 3324927 4142532 4433236 6649854 13299708 21057871 42115742 63173613 84231484 126347226 252694452