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51082475 = 526730497
BaseRepresentation
bin1100001011011…
…1010011101011
310120010020222112
43002313103223
5101034114400
65022512535
71160123333
oct302672353
9116106875
1051082475
1126920024
121513574b
13a777022
146ada0c3
154740835
hex30b74eb

51082475 has 12 divisors (see below), whose sum is σ = 64289784. Its totient is φ = 40254720.

The previous prime is 51082453. The next prime is 51082477. The reversal of 51082475 is 57428015.

It is not a de Polignac number, because 51082475 - 28 = 51082219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51082477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13574 + ... + 16923.

It is an arithmetic number, because the mean of its divisors is an integer number (5357482).

Almost surely, 251082475 is an apocalyptic number.

51082475 is a deficient number, since it is larger than the sum of its proper divisors (13207309).

51082475 is a wasteful number, since it uses less digits than its factorization.

51082475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30574 (or 30569 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 51082475 is about 7147.2005008954. The cubic root of 51082475 is about 371.0427730198.

The spelling of 51082475 in words is "fifty-one million, eighty-two thousand, four hundred seventy-five".

Divisors: 1 5 25 67 335 1675 30497 152485 762425 2043299 10216495 51082475