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13702625 = 53109621
BaseRepresentation
bin110100010001…
…010111100001
3221210011110122
4310101113201
512001441000
61205410025
7224320226
oct64212741
927704418
1013702625
117809a92
124709915
132ab9c81
141b6994d
15130a085
hexd115e1

13702625 has 8 divisors (see below), whose sum is σ = 17101032. Its totient is φ = 10962000.

The previous prime is 13702621. The next prime is 13702631. The reversal of 13702625 is 52620731.

It can be written as a sum of positive squares in 4 ways, for example, as 277729 + 13424896 = 527^2 + 3664^2 .

It is not a de Polignac number, because 13702625 - 22 = 13702621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13702594 and 13702603.

It is not an unprimeable number, because it can be changed into a prime (13702621) 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 7 ways as a sum of consecutive naturals, for example, 54686 + ... + 54935.

It is an arithmetic number, because the mean of its divisors is an integer number (2137629).

Almost surely, 213702625 is an apocalyptic number.

It is an amenable number.

13702625 is a deficient number, since it is larger than the sum of its proper divisors (3398407).

13702625 is an equidigital number, since it uses as much as digits as its factorization.

13702625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109636 (or 109626 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 13702625 is about 3701.7056879228. The cubic root of 13702625 is about 239.2955325931.

The spelling of 13702625 in words is "thirteen million, seven hundred two thousand, six hundred twenty-five".

Divisors: 1 5 25 125 109621 548105 2740525 13702625