Search a number
-
+
11249725 = 52449989
BaseRepresentation
bin101010111010…
…100000111101
3210011112201111
4222322200331
510334442400
61041042021
7164423014
oct52724075
923145644
1011249725
1163940a3
123926311
13243b656
1416cba7b
15ec33ba
hexaba83d

11249725 has 6 divisors (see below), whose sum is σ = 13949690. Its totient is φ = 8999760.

The previous prime is 11249723. The next prime is 11249741. The reversal of 11249725 is 52794211.

It can be written as a sum of positive squares in 3 ways, for example, as 3526884 + 7722841 = 1878^2 + 2779^2 .

It is not a de Polignac number, because 11249725 - 21 = 11249723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11249723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224970 + ... + 225019.

Almost surely, 211249725 is an apocalyptic number.

It is an amenable number.

11249725 is a deficient number, since it is larger than the sum of its proper divisors (2699965).

11249725 is an equidigital number, since it uses as much as digits as its factorization.

11249725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449999 (or 449994 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 11249725 is about 3354.0609714196. The cubic root of 11249725 is about 224.0684115555.

The spelling of 11249725 in words is "eleven million, two hundred forty-nine thousand, seven hundred twenty-five".

Divisors: 1 5 25 449989 2249945 11249725