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51263076 = 2234271923
BaseRepresentation
bin1100001110001…
…1011001100100
310120110102201110
43003203121210
5101110404301
65030425020
71161505014
oct303433144
9116412643
1051263076
1126a33787
1215202170
13a80b2a7
146b45c44
1547790d6
hex30e3664

51263076 has 12 divisors (see below), whose sum is σ = 119613872. Its totient is φ = 17087688.

The previous prime is 51263053. The next prime is 51263077. The reversal of 51263076 is 67036215.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (51263077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135950 + ... + 2135973.

Almost surely, 251263076 is an apocalyptic number.

It is an amenable number.

51263076 is an abundant number, since it is smaller than the sum of its proper divisors (68350796).

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

51263076 is a wasteful number, since it uses less digits than its factorization.

51263076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271930 (or 4271928 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 51263076 is about 7159.8237408473. The cubic root of 51263076 is about 371.4795299765.

The spelling of 51263076 in words is "fifty-one million, two hundred sixty-three thousand, seventy-six".

Divisors: 1 2 3 4 6 12 4271923 8543846 12815769 17087692 25631538 51263076