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252828028 = 22246725621
BaseRepresentation
bin11110001000111…
…01100101111100
3122121201222212001
433010131211330
51004210444103
641030552044
76160000645
oct1704354574
9577658761
10252828028
1111a795492
1270808624
13404c29ab
14258146cc
15172e201d
hexf11d97c

252828028 has 12 divisors (see below), whose sum is σ = 442645672. Its totient is φ = 126357840.

The previous prime is 252828019. The next prime is 252828031. The reversal of 252828028 is 820828252.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2943 + ... + 22678.

Almost surely, 2252828028 is an apocalyptic number.

It is an amenable number.

252828028 is a deficient number, since it is larger than the sum of its proper divisors (189817644).

252828028 is a wasteful number, since it uses less digits than its factorization.

252828028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28092 (or 28090 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 252828028 is about 15900.5669081326. The cubic root of 252828028 is about 632.3270185773.

The spelling of 252828028 in words is "two hundred fifty-two million, eight hundred twenty-eight thousand, twenty-eight".

Divisors: 1 2 4 2467 4934 9868 25621 51242 102484 63207007 126414014 252828028