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252628816 = 24116123531
BaseRepresentation
bin11110000111011…
…00111101010000
3122121100212120211
433003230331100
51004133110231
641022413504
76155211106
oct1703547520
9577325524
10252628816
1111a669850
1270731294
134045310b
14257a1c76
15172a2eb1
hexf0ecf50

252628816 has 40 divisors (see below), whose sum is σ = 542742048. Its totient is φ = 112944000.

The previous prime is 252628813. The next prime is 252628847. The reversal of 252628816 is 618826252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252628813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030 + ... + 22501.

Almost surely, 2252628816 is an apocalyptic number.

It is an amenable number.

252628816 is an abundant number, since it is smaller than the sum of its proper divisors (290113232).

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

252628816 is a wasteful number, since it uses less digits than its factorization.

252628816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23611 (or 23605 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 252628816 is about 15894.3013687296. The cubic root of 252628816 is about 632.1608974525.

The spelling of 252628816 in words is "two hundred fifty-two million, six hundred twenty-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 11 16 22 44 61 88 122 176 244 488 671 976 1342 2684 5368 10736 23531 47062 94124 188248 258841 376496 517682 1035364 1435391 2070728 2870782 4141456 5741564 11483128 15789301 22966256 31578602 63157204 126314408 252628816