Search a number
-
+
11687425 = 52467497
BaseRepresentation
bin101100100101…
…011000000001
3210222210010121
4230211120001
510442444200
61054300241
7201225061
oct54453001
923883117
1011687425
116662a32
123ab7681
132562949
1417a33a1
15105ce1a
hexb25601

11687425 has 6 divisors (see below), whose sum is σ = 14492438. Its totient is φ = 9349920.

The previous prime is 11687407. The next prime is 11687441. The reversal of 11687425 is 52478611.

It can be written as a sum of positive squares in 3 ways, for example, as 817216 + 10870209 = 904^2 + 3297^2 .

It is not a de Polignac number, because 11687425 - 25 = 11687393 is a prime.

It is a Duffinian 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, 233724 + ... + 233773.

Almost surely, 211687425 is an apocalyptic number.

It is an amenable number.

11687425 is a deficient number, since it is larger than the sum of its proper divisors (2805013).

11687425 is an equidigital number, since it uses as much as digits as its factorization.

11687425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467507 (or 467502 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 11687425 is about 3418.6876136904. The cubic root of 11687425 is about 226.9375066510.

The spelling of 11687425 in words is "eleven million, six hundred eighty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 467497 2337485 11687425