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51300525 = 352684007
BaseRepresentation
bin1100001110110…
…0100010101101
310120112100002110
43003230202231
5101113104100
65031314233
71162022133
oct303544255
9116470073
1051300525
1126a59931
121521b979
13a822353
146b55753
154785250
hex30ec8ad

51300525 has 12 divisors (see below), whose sum is σ = 84816992. Its totient is φ = 27360240.

The previous prime is 51300521. The next prime is 51300527. The reversal of 51300525 is 52500315.

51300525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51300525 - 22 = 51300521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51300521) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 341929 + ... + 342078.

Almost surely, 251300525 is an apocalyptic number.

It is an amenable number.

51300525 is a deficient number, since it is larger than the sum of its proper divisors (33516467).

51300525 is a wasteful number, since it uses less digits than its factorization.

51300525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684020 (or 684015 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 51300525 is about 7162.4384814112. The cubic root of 51300525 is about 371.5699664193.

The spelling of 51300525 in words is "fifty-one million, three hundred thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 684007 2052021 3420035 10260105 17100175 51300525