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51230960 = 2451158217
BaseRepresentation
bin1100001101101…
…1100011110000
310120101210122222
43003123203300
5101103342320
65030020212
71161312254
oct303334360
9116353588
1051230960
1126a11640
12151a7668
13a7c97a1
146b38264
15476e825
hex30db8f0

51230960 has 40 divisors (see below), whose sum is σ = 129942576. Its totient is φ = 18629120.

The previous prime is 51230951. The next prime is 51230983. The reversal of 51230960 is 6903215.

51230960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×512309602 = 5249222525043200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28229 + ... + 29988.

Almost surely, 251230960 is an apocalyptic number.

It is an amenable number.

51230960 is an abundant number, since it is smaller than the sum of its proper divisors (78711616).

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

51230960 is a wasteful number, since it uses less digits than its factorization.

51230960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58241 (or 58235 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 51230960 is about 7157.5805968218. The cubic root of 51230960 is about 371.4019372280.

The spelling of 51230960 in words is "fifty-one million, two hundred thirty thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 58217 116434 232868 291085 465736 582170 640387 931472 1164340 1280774 2328680 2561548 3201935 4657360 5123096 6403870 10246192 12807740 25615480 51230960