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11422789 = 72370949
BaseRepresentation
bin101011100100…
…110001000101
3210111100010021
4223210301011
510411012124
61044455141
7166043410
oct53446105
923440107
1011422789
1164a2124
1239aa4b1
13249c361
141734b77
1510097e4
hexae4c45

11422789 has 8 divisors (see below), whose sum is σ = 13622400. Its totient is φ = 9365136.

The previous prime is 11422777. The next prime is 11422811. The reversal of 11422789 is 98722411.

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

It is a cyclic number.

It is not a de Polignac number, because 11422789 - 25 = 11422757 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 (11422769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35314 + ... + 35635.

It is an arithmetic number, because the mean of its divisors is an integer number (1702800).

Almost surely, 211422789 is an apocalyptic number.

It is an amenable number.

11422789 is a deficient number, since it is larger than the sum of its proper divisors (2199611).

11422789 is an equidigital number, since it uses as much as digits as its factorization.

11422789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70979.

The product of its digits is 8064, while the sum is 34.

The square root of 11422789 is about 3379.7616779886. The cubic root of 11422789 is about 225.2115804003.

The spelling of 11422789 in words is "eleven million, four hundred twenty-two thousand, seven hundred eighty-nine".

Divisors: 1 7 23 161 70949 496643 1631827 11422789