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11138892 = 2234321587
BaseRepresentation
bin101010011111…
…011101001100
3202221220200120
4222133131030
510322421032
61034424540
7163451622
oct52373514
922856616
1011138892
1163188a6
123892150
13240007b
14169d512
15ea062c
hexa9f74c

11138892 has 24 divisors (see below), whose sum is σ = 26596416. Its totient is φ = 3626448.

The previous prime is 11138891. The next prime is 11138903. The reversal of 11138892 is 29883111.

It is not an unprimeable number, because it can be changed into a prime (11138891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10278 + ... + 11309.

It is an arithmetic number, because the mean of its divisors is an integer number (1108184).

Almost surely, 211138892 is an apocalyptic number.

11138892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11138892 is an abundant number, since it is smaller than the sum of its proper divisors (15457524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11138892 is a wasteful number, since it uses less digits than its factorization.

11138892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21637 (or 21635 counting only the distinct ones).

The product of its digits is 3456, while the sum is 33.

The square root of 11138892 is about 3337.4978651679. The cubic root of 11138892 is about 223.3301363370.

The spelling of 11138892 in words is "eleven million, one hundred thirty-eight thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 21587 43174 64761 86348 129522 259044 928241 1856482 2784723 3712964 5569446 11138892