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51014994 = 23174431129
BaseRepresentation
bin1100001010011…
…0110101010010
310112222211102020
43002212311102
5101024434434
65021232310
71156422522
oct302466522
9115884366
1051014994
1126884358
1215102696
13a7523b4
146abd682
15472a849
hex30a6d52

51014994 has 32 divisors (see below), whose sum is σ = 108371520. Its totient is φ = 15954432.

The previous prime is 51014959. The next prime is 51015001. The reversal of 51014994 is 49941015.

It is a super-2 number, since 2×510149942 = 5205059225640072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44622 + ... + 45750.

It is an arithmetic number, because the mean of its divisors is an integer number (3386610).

Almost surely, 251014994 is an apocalyptic number.

51014994 is an abundant number, since it is smaller than the sum of its proper divisors (57356526).

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

51014994 is a wasteful number, since it uses less digits than its factorization.

51014994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 51014994 is about 7142.4781413736. The cubic root of 51014994 is about 370.8793159774.

The spelling of 51014994 in words is "fifty-one million, fourteen thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 17 34 51 102 443 886 1129 1329 2258 2658 3387 6774 7531 15062 19193 22593 38386 45186 57579 115158 500147 1000294 1500441 3000882 8502499 17004998 25507497 51014994