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11159105 = 52231821
BaseRepresentation
bin101010100100…
…011001000001
3202222221102012
4222210121001
510324042410
61035102305
7163564556
oct52443101
922887365
1011159105
116332001
1238a1995
132409329
1416a6a2d
15ea6605
hexaa4641

11159105 has 4 divisors (see below), whose sum is σ = 13390932. Its totient is φ = 8927280.

The previous prime is 11159077. The next prime is 11159119. The reversal of 11159105 is 50195111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50195111 = 411224271.

It can be written as a sum of positive squares in 2 ways, for example, as 4963984 + 6195121 = 2228^2 + 2489^2 .

It is not a de Polignac number, because 11159105 - 216 = 11093569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115906 + ... + 1115915.

It is an arithmetic number, because the mean of its divisors is an integer number (3347733).

Almost surely, 211159105 is an apocalyptic number.

It is an amenable number.

11159105 is a deficient number, since it is larger than the sum of its proper divisors (2231827).

11159105 is an equidigital number, since it uses as much as digits as its factorization.

11159105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231826.

The product of its (nonzero) digits is 225, while the sum is 23.

The square root of 11159105 is about 3340.5246593911. The cubic root of 11159105 is about 223.4651421130.

The spelling of 11159105 in words is "eleven million, one hundred fifty-nine thousand, one hundred five".

Divisors: 1 5 2231821 11159105