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253868012 = 2273978963
BaseRepresentation
bin11110010000110…
…11011111101100
3122200200211102222
433020123133230
51004442234022
641105134512
76201561656
oct1710333754
9580624388
10253868012
11120335882
127102a438
1340798178
1425a056d6
151744a242
hexf21b7ec

253868012 has 24 divisors (see below), whose sum is σ = 455048496. Its totient is φ = 123890688.

The previous prime is 253867967. The next prime is 253868029. The reversal of 253868012 is 210868352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23843 + ... + 32805.

It is an arithmetic number, because the mean of its divisors is an integer number (18960354).

Almost surely, 2253868012 is an apocalyptic number.

It is an amenable number.

253868012 is a deficient number, since it is larger than the sum of its proper divisors (201180484).

253868012 is a wasteful number, since it uses less digits than its factorization.

253868012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9137 (or 9135 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 253868012 is about 15933.2360805958. The cubic root of 253868012 is about 633.1928381493.

The spelling of 253868012 in words is "two hundred fifty-three million, eight hundred sixty-eight thousand, twelve".

Divisors: 1 2 4 73 97 146 194 292 388 7081 8963 14162 17926 28324 35852 654299 869411 1308598 1738822 2617196 3477644 63467003 126934006 253868012