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11137925 = 523712041
BaseRepresentation
bin101010011111…
…001110000101
3202221212100202
4222133032011
510322403200
61034420245
7163446041
oct52371605
922855322
1011137925
1163180a7
123891685
1323cc7b6
14169d021
15ea01d5
hexa9f385

11137925 has 12 divisors (see below), whose sum is σ = 14185476. Its totient is φ = 8668800.

The previous prime is 11137921. The next prime is 11137927. The reversal of 11137925 is 52973111.

It can be written as a sum of positive squares in 6 ways, for example, as 261121 + 10876804 = 511^2 + 3298^2 .

It is not a de Polignac number, because 11137925 - 22 = 11137921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11137921) 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 11 ways as a sum of consecutive naturals, for example, 5096 + ... + 6945.

It is an arithmetic number, because the mean of its divisors is an integer number (1182123).

Almost surely, 211137925 is an apocalyptic number.

It is an amenable number.

11137925 is a deficient number, since it is larger than the sum of its proper divisors (3047551).

11137925 is a wasteful number, since it uses less digits than its factorization.

11137925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088 (or 12083 counting only the distinct ones).

The product of its digits is 1890, while the sum is 29.

The square root of 11137925 is about 3337.3529930171. The cubic root of 11137925 is about 223.3236735012.

The spelling of 11137925 in words is "eleven million, one hundred thirty-seven thousand, nine hundred twenty-five".

Divisors: 1 5 25 37 185 925 12041 60205 301025 445517 2227585 11137925