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22479089 = 29226729
BaseRepresentation
bin101010111000…
…0000011110001
31120022001111212
41111300003301
521223312324
62121445505
7362032463
oct125600361
946261455
1022479089
1111763966
127640895
134870949
142db2133
151e9070e
hex15700f1

22479089 has 6 divisors (see below), whose sum is σ = 23281830. Its totient is φ = 21703136.

The previous prime is 22479053. The next prime is 22479133. The reversal of 22479089 is 98097422.

It can be written as a sum of positive squares in 3 ways, for example, as 4906225 + 17572864 = 2215^2 + 4192^2 .

It is not a de Polignac number, because 22479089 - 212 = 22474993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22479689) 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 5 ways as a sum of consecutive naturals, for example, 12524 + ... + 14205.

It is an arithmetic number, because the mean of its divisors is an integer number (3880305).

Almost surely, 222479089 is an apocalyptic number.

22479089 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22479089 is a deficient number, since it is larger than the sum of its proper divisors (802741).

22479089 is an equidigital number, since it uses as much as digits as its factorization.

22479089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26787 (or 26758 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 22479089 is about 4741.2117649394. The cubic root of 22479089 is about 282.2233237592.

The spelling of 22479089 in words is "twenty-two million, four hundred seventy-nine thousand, eighty-nine".

Divisors: 1 29 841 26729 775141 22479089