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11137489 = 11591312
BaseRepresentation
bin101010011111…
…000111010001
3202221211202121
4222133013101
510322344424
61034414241
7163444546
oct52370721
922854677
1011137489
116317840
123891381
1323cc53c
14169cbcd
15e9eee4
hexa9f1d1

11137489 has 12 divisors (see below), whose sum is σ = 12450960. Its totient is φ = 9877400.

The previous prime is 11137453. The next prime is 11137501. The reversal of 11137489 is 98473111.

It is not a de Polignac number, because 11137489 - 29 = 11136977 is a prime.

It is a super-2 number, since 2×111374892 = 248087322450242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11137409) 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, 84954 + ... + 85084.

It is an arithmetic number, because the mean of its divisors is an integer number (1037580).

Almost surely, 211137489 is an apocalyptic number.

It is an amenable number.

11137489 is a deficient number, since it is larger than the sum of its proper divisors (1313471).

11137489 is an equidigital number, since it uses as much as digits as its factorization.

11137489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 201 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 11137489 is about 3337.2876711485. The cubic root of 11137489 is about 223.3207594218.

The spelling of 11137489 in words is "eleven million, one hundred thirty-seven thousand, four hundred eighty-nine".

Divisors: 1 11 59 131 649 1441 7729 17161 85019 188771 1012499 11137489