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10039825 = 52401593
BaseRepresentation
bin100110010011…
…001000010001
3200220002001101
4212103020101
510032233300
6555104401
7151223425
oct46231021
920802041
1010039825
115738084
123442101
132106a33
141494b85
15d34b6a
hex993211

10039825 has 6 divisors (see below), whose sum is σ = 12449414. Its totient is φ = 8031840.

The previous prime is 10039801. The next prime is 10039859. The reversal of 10039825 is 52893001.

It can be written as a sum of positive squares in 3 ways, for example, as 2289169 + 7750656 = 1513^2 + 2784^2 .

It is not a de Polignac number, because 10039825 - 27 = 10039697 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 10039793 and 10039802.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200772 + ... + 200821.

Almost surely, 210039825 is an apocalyptic number.

It is an amenable number.

10039825 is a deficient number, since it is larger than the sum of its proper divisors (2409589).

10039825 is an equidigital number, since it uses as much as digits as its factorization.

10039825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401603 (or 401598 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 10039825 is about 3168.5682886755. The cubic root of 10039825 is about 215.7290913795.

The spelling of 10039825 in words is "ten million, thirty-nine thousand, eight hundred twenty-five".

Divisors: 1 5 25 401593 2007965 10039825