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252730896 = 243112511907
BaseRepresentation
bin11110001000001…
…01111000010000
3122121120001121120
433010011320100
51004144342041
641024522240
76156114525
oct1704057020
9577501546
10252730896
1111a729510
1270780380
134048a712
14257cb14c
15172c3366
hexf105e10

252730896 has 80 divisors (see below), whose sum is σ = 715454208. Its totient is φ = 76240000.

The previous prime is 252730883. The next prime is 252730903. The reversal of 252730896 is 698037252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131575 + ... + 133481.

Almost surely, 2252730896 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 252730896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357727104).

252730896 is an abundant number, since it is smaller than the sum of its proper divisors (462723312).

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

252730896 is a wasteful number, since it uses less digits than its factorization.

252730896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 252730896 is about 15897.5122582120. The cubic root of 252730896 is about 632.2460319668.

The spelling of 252730896 in words is "two hundred fifty-two million, seven hundred thirty thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 251 264 502 528 753 1004 1506 1907 2008 2761 3012 3814 4016 5522 5721 6024 7628 8283 11044 11442 12048 15256 16566 20977 22088 22884 30512 33132 41954 44176 45768 62931 66264 83908 91536 125862 132528 167816 251724 335632 478657 503448 957314 1006896 1435971 1914628 2871942 3829256 5265227 5743884 7658512 10530454 11487768 15795681 21060908 22975536 31591362 42121816 63182724 84243632 126365448 252730896