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51082463 = 142935747
BaseRepresentation
bin1100001011011…
…1010011011111
310120010020222002
43002313103133
5101034114323
65022512515
71160123315
oct302672337
9116106862
1051082463
1126920013
121513573b
13a777013
146ada0b5
154740828
hex30b74df

51082463 has 4 divisors (see below), whose sum is σ = 51119640. Its totient is φ = 51045288.

The previous prime is 51082453. The next prime is 51082477. The reversal of 51082463 is 36428015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51082463 - 224 = 34305247 is a prime.

It is a super-2 number, since 2×510824632 = 5218836052292738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51082403) 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, 16445 + ... + 19302.

It is an arithmetic number, because the mean of its divisors is an integer number (12779910).

Almost surely, 251082463 is an apocalyptic number.

51082463 is a deficient number, since it is larger than the sum of its proper divisors (37177).

51082463 is a wasteful number, since it uses less digits than its factorization.

51082463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37176.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 51082463 is about 7147.1996614059. The cubic root of 51082463 is about 371.0427439654.

The spelling of 51082463 in words is "fifty-one million, eighty-two thousand, four hundred sixty-three".

Divisors: 1 1429 35747 51082463