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11137045 = 52227409
BaseRepresentation
bin101010011111…
…000000010101
3202221211011011
4222133000111
510322341140
61034412221
7163443343
oct52370025
922854134
1011137045
116317477
123891071
1323cc28a
14169c993
15e9ecea
hexa9f015

11137045 has 4 divisors (see below), whose sum is σ = 13364460. Its totient is φ = 8909632.

The previous prime is 11137033. The next prime is 11137067. The reversal of 11137045 is 54073111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54073111 = 281192431.

It can be written as a sum of positive squares in 2 ways, for example, as 2802276 + 8334769 = 1674^2 + 2887^2 .

It is a cyclic number.

It is not a de Polignac number, because 11137045 - 25 = 11137013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113700 + ... + 1113709.

It is an arithmetic number, because the mean of its divisors is an integer number (3341115).

Almost surely, 211137045 is an apocalyptic number.

It is an amenable number.

11137045 is a deficient number, since it is larger than the sum of its proper divisors (2227415).

11137045 is an equidigital number, since it uses as much as digits as its factorization.

11137045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227414.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 11137045 is about 3337.2211493996. The cubic root of 11137045 is about 223.3177917949.

The spelling of 11137045 in words is "eleven million, one hundred thirty-seven thousand, forty-five".

Divisors: 1 5 2227409 11137045