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102675725 = 524107029
BaseRepresentation
bin1100001111010…
…11010100001101
321011012110121122
412013223110031
5202241110400
614104410325
72354505065
oct607532415
9234173548
10102675725
1152a59879
122a4769a5
131836c689
14d8ca3a5
159032685
hex61eb50d

102675725 has 6 divisors (see below), whose sum is σ = 127317930. Its totient is φ = 82140560.

The previous prime is 102675721. The next prime is 102675739. The reversal of 102675725 is 527576201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2735716 + 99940009 = 1654^2 + 9997^2 .

It is not a de Polignac number, because 102675725 - 22 = 102675721 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102675721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2053490 + ... + 2053539.

It is an arithmetic number, because the mean of its divisors is an integer number (21219655).

Almost surely, 2102675725 is an apocalyptic number.

It is an amenable number.

102675725 is a deficient number, since it is larger than the sum of its proper divisors (24642205).

102675725 is an equidigital number, since it uses as much as digits as its factorization.

102675725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107039 (or 4107034 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 102675725 is about 10132.9030884540. The cubic root of 102675725 is about 468.2623705362.

The spelling of 102675725 in words is "one hundred two million, six hundred seventy-five thousand, seven hundred twenty-five".

Divisors: 1 5 25 4107029 20535145 102675725