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11138757 = 371741761
BaseRepresentation
bin101010011111…
…011011000101
3202221220111120
4222133123011
510322420012
61034424153
7163451340
oct52373305
922856446
1011138757
116318793
123892059
1323ccca6
14169d457
15ea058c
hexa9f6c5

11138757 has 32 divisors (see below), whose sum is σ = 18434304. Its totient is φ = 5836800.

The previous prime is 11138753. The next prime is 11138759. The reversal of 11138757 is 75783111.

It is not a de Polignac number, because 11138757 - 22 = 11138753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11138753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14257 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (576072).

Almost surely, 211138757 is an apocalyptic number.

11138757 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11138757 is a deficient number, since it is larger than the sum of its proper divisors (7295547).

11138757 is a wasteful number, since it uses less digits than its factorization.

11138757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its digits is 5880, while the sum is 33.

The square root of 11138757 is about 3337.4776403745. The cubic root of 11138757 is about 223.3292341021.

It can be divided in two parts, 1113 and 8757, that added together give a triangular number (9870 = T140).

The spelling of 11138757 in words is "eleven million, one hundred thirty-eight thousand, seven hundred fifty-seven".

Divisors: 1 3 7 17 21 41 51 119 123 287 357 697 761 861 2091 2283 4879 5327 12937 14637 15981 31201 38811 90559 93603 218407 271677 530417 655221 1591251 3712919 11138757