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11164789 = 15173939
BaseRepresentation
bin101010100101…
…110001110101
3210000020012201
4222211301311
510324233124
61035144501
7163620256
oct52456165
923006181
1011164789
1163362a9
1238a5131
13240baac
1416a8b2d
15ea8144
hexaa5c75

11164789 has 4 divisors (see below), whose sum is σ = 11238880. Its totient is φ = 11090700.

The previous prime is 11164781. The next prime is 11164793. The reversal of 11164789 is 98746111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98746111 = 857115223.

It is a cyclic number.

It is not a de Polignac number, because 11164789 - 23 = 11164781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11164781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36819 + ... + 37120.

It is an arithmetic number, because the mean of its divisors is an integer number (2809720).

Almost surely, 211164789 is an apocalyptic number.

It is an amenable number.

11164789 is a deficient number, since it is larger than the sum of its proper divisors (74091).

11164789 is an equidigital number, since it uses as much as digits as its factorization.

11164789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74090.

The product of its digits is 12096, while the sum is 37.

The square root of 11164789 is about 3341.3753156447. The cubic root of 11164789 is about 223.5030770629.

The spelling of 11164789 in words is "eleven million, one hundred sixty-four thousand, seven hundred eighty-nine".

Divisors: 1 151 73939 11164789