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11139199 = 172331919
BaseRepresentation
bin101010011111…
…100001111111
3202221221002221
4222133201333
510322423244
61034430211
7163452541
oct52374177
922857087
1011139199
116319055
123892367
132400256
14169d691
15ea0784
hexa9f87f

11139199 has 16 divisors (see below), whose sum is σ = 12718080. Its totient is φ = 9694080.

The previous prime is 11139179. The next prime is 11139203. The reversal of 11139199 is 99193111.

It is not a de Polignac number, because 11139199 - 27 = 11139071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11139179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11662 + ... + 12580.

It is an arithmetic number, because the mean of its divisors is an integer number (794880).

Almost surely, 211139199 is an apocalyptic number.

11139199 is a deficient number, since it is larger than the sum of its proper divisors (1578881).

11139199 is a wasteful number, since it uses less digits than its factorization.

11139199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its digits is 2187, while the sum is 34.

The square root of 11139199 is about 3337.5438573897. The cubic root of 11139199 is about 223.3321880588.

The spelling of 11139199 in words is "eleven million, one hundred thirty-nine thousand, one hundred ninety-nine".

Divisors: 1 17 23 31 391 527 713 919 12121 15623 21137 28489 359329 484313 655247 11139199