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102044825 = 524081793
BaseRepresentation
bin1100001010100…
…01010010011001
321010000102011222
412011101102121
5202110413300
614043101425
72346236531
oct605212231
9233012158
10102044825
1152668873
122a211875
13181ab46c
14d7a44c1
158e5a785
hex6151499

102044825 has 6 divisors (see below), whose sum is σ = 126535614. Its totient is φ = 81635840.

The previous prime is 102044809. The next prime is 102044827. The reversal of 102044825 is 528440201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 26337424 + 75707401 = 5132^2 + 8701^2 .

It is not a de Polignac number, because 102044825 - 24 = 102044809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102044794 and 102044803.

It is not an unprimeable number, because it can be changed into a prime (102044827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2040872 + ... + 2040921.

It is an arithmetic number, because the mean of its divisors is an integer number (21089269).

Almost surely, 2102044825 is an apocalyptic number.

It is an amenable number.

102044825 is a deficient number, since it is larger than the sum of its proper divisors (24490789).

102044825 is an equidigital number, since it uses as much as digits as its factorization.

102044825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081803 (or 4081798 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 102044825 is about 10101.7238627870. The cubic root of 102044825 is about 467.3013063201.

The spelling of 102044825 in words is "one hundred two million, forty-four thousand, eight hundred twenty-five".

Divisors: 1 5 25 4081793 20408965 102044825