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16113925 = 52644557
BaseRepresentation
bin111101011110…
…000100000101
31010022200011001
4331132010011
513111121200
61333213301
7253652242
oct75360405
933280131
1016113925
1191066a3
125491231
133452689
1421d65c9
15163476a
hexf5e105

16113925 has 6 divisors (see below), whose sum is σ = 19981298. Its totient is φ = 12891120.

The previous prime is 16113901. The next prime is 16113967. The reversal of 16113925 is 52931161.

16113925 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 2556801 + 13557124 = 1599^2 + 3682^2 .

It is not a de Polignac number, because 16113925 - 223 = 7725317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16113893 and 16113902.

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, 322254 + ... + 322303.

Almost surely, 216113925 is an apocalyptic number.

It is an amenable number.

16113925 is a deficient number, since it is larger than the sum of its proper divisors (3867373).

16113925 is an equidigital number, since it uses as much as digits as its factorization.

16113925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644567 (or 644562 counting only the distinct ones).

The product of its digits is 1620, while the sum is 28.

The square root of 16113925 is about 4014.2153654232. The cubic root of 16113925 is about 252.5808648621.

The spelling of 16113925 in words is "sixteen million, one hundred thirteen thousand, nine hundred twenty-five".

Divisors: 1 5 25 644557 3222785 16113925