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252430068 = 223113974817
BaseRepresentation
bin11110000101111…
…00011011110100
3122120222202221210
433002330123310
51004110230233
641014241420
76153422502
oct1702743364
9576882853
10252430068
1111a5434a0
1270656270
13403b3807
142574d672
1517264163
hexf0bc6f4

252430068 has 48 divisors (see below), whose sum is σ = 644301504. Its totient is φ = 76285440.

The previous prime is 252430051. The next prime is 252430069. The reversal of 252430068 is 860034252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252430069) 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, 49996 + ... + 54812.

It is an arithmetic number, because the mean of its divisors is an integer number (13422948).

Almost surely, 2252430068 is an apocalyptic number.

It is an amenable number.

252430068 is an abundant number, since it is smaller than the sum of its proper divisors (391871436).

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

252430068 is a wasteful number, since it uses less digits than its factorization.

252430068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232 (or 5230 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 252430068 is about 15888.0479606527. The cubic root of 252430068 is about 631.9950762048.

The spelling of 252430068 in words is "two hundred fifty-two million, four hundred thirty thousand, sixty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 397 794 1191 1588 2382 4367 4764 4817 8734 9634 13101 14451 17468 19268 26202 28902 52404 52987 57804 105974 158961 211948 317922 635844 1912349 3824698 5737047 7649396 11474094 21035839 22948188 42071678 63107517 84143356 126215034 252430068