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51350950 = 2527236379
BaseRepresentation
bin1100001111100…
…0110110100110
310120121220021001
43003320312212
5101121212300
65032343514
71162322140
oct303706646
9116556231
1051350950
1126a93802
1215244b9a
13a83c2a1
146b69c90
15479516a
hex30f8da6

51350950 has 48 divisors (see below), whose sum is σ = 113921280. Its totient is φ = 16837920.

The previous prime is 51350947. The next prime is 51350951. The reversal of 51350950 is 5905315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51350951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4861 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (2373360).

Almost surely, 251350950 is an apocalyptic number.

51350950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51350950 is an abundant number, since it is smaller than the sum of its proper divisors (62570330).

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

51350950 is a wasteful number, since it uses less digits than its factorization.

51350950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421 (or 6416 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 51350950 is about 7165.9577168722. The cubic root of 51350950 is about 371.6916693975.

The spelling of 51350950 in words is "fifty-one million, three hundred fifty thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 23 25 35 46 50 70 115 161 175 230 322 350 575 805 1150 1610 4025 6379 8050 12758 31895 44653 63790 89306 146717 159475 223265 293434 318950 446530 733585 1027019 1116325 1467170 2054038 2232650 3667925 5135095 7335850 10270190 25675475 51350950