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13422925 = 52536917
BaseRepresentation
bin110011001101…
…000101001101
3221020221210101
4303031011031
511414013200
61155411101
7222043615
oct63150515
927227711
1013422925
11763892a
1245b3a91
132a1c879
141ad5a45
1512a226a
hexccd14d

13422925 has 6 divisors (see below), whose sum is σ = 16644458. Its totient is φ = 10738320.

The previous prime is 13422917. The next prime is 13422943. The reversal of 13422925 is 52922431.

13422925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3575881 + 9847044 = 1891^2 + 3138^2 .

It is not a de Polignac number, because 13422925 - 23 = 13422917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13422893 and 13422902.

It is a congruent number.

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, 268434 + ... + 268483.

Almost surely, 213422925 is an apocalyptic number.

It is an amenable number.

13422925 is a deficient number, since it is larger than the sum of its proper divisors (3221533).

13422925 is an equidigital number, since it uses as much as digits as its factorization.

13422925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536927 (or 536922 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 13422925 is about 3663.7310217864. The cubic root of 13422925 is about 237.6561484692.

The spelling of 13422925 in words is "thirteen million, four hundred twenty-two thousand, nine hundred twenty-five".

Divisors: 1 5 25 536917 2684585 13422925