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22989264 = 243478943
BaseRepresentation
bin101011110110…
…0100111010000
31121020222100020
41113230213100
521341124024
62140423440
7366256044
oct127544720
947228306
1022989264
1111a821a1
127847b80
1349bbc1c
1430a6024
152041979
hex15ec9d0

22989264 has 20 divisors (see below), whose sum is σ = 59389056. Its totient is φ = 7663072.

The previous prime is 22989217. The next prime is 22989277. The reversal of 22989264 is 46298922.

It is a congruent number.

It is an unprimeable number.

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, 239424 + ... + 239519.

Almost surely, 222989264 is an apocalyptic number.

22989264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22989264 is an abundant number, since it is smaller than the sum of its proper divisors (36399792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22989264 is a wasteful number, since it uses less digits than its factorization.

22989264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478954 (or 478948 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 22989264 is about 4794.7120872895. The cubic root of 22989264 is about 284.3424421769.

The spelling of 22989264 in words is "twenty-two million, nine hundred eighty-nine thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 478943 957886 1436829 1915772 2873658 3831544 5747316 7663088 11494632 22989264