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11128137 = 310934031
BaseRepresentation
bin101010011100…
…110101001001
3202221100221020
4222130311021
510322100022
61034303053
7163405356
oct52346511
922840836
1011128137
116310809
123887a89
1323c81c7
14169962d
15e9c35c
hexa9cd49

11128137 has 8 divisors (see below), whose sum is σ = 14974080. Its totient is φ = 7350480.

The previous prime is 11128133. The next prime is 11128147. The reversal of 11128137 is 73182111.

It is a happy number.

11128137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11128137 - 22 = 11128133 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11128133) 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, 16689 + ... + 17342.

It is an arithmetic number, because the mean of its divisors is an integer number (1871760).

Almost surely, 211128137 is an apocalyptic number.

It is an amenable number.

11128137 is a deficient number, since it is larger than the sum of its proper divisors (3845943).

11128137 is a wasteful number, since it uses less digits than its factorization.

11128137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34143.

The product of its digits is 336, while the sum is 24.

The square root of 11128137 is about 3335.8862390675. The cubic root of 11128137 is about 223.2582354371.

The spelling of 11128137 in words is "eleven million, one hundred twenty-eight thousand, one hundred thirty-seven".

Divisors: 1 3 109 327 34031 102093 3709379 11128137