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22045808 = 245092707
BaseRepresentation
bin101010000011…
…0010001110000
31112111001011102
41110012101300
521120431213
62104303532
7355246331
oct124062160
945431142
1022045808
1111498384
127471ba8
13474b675
142cdc288
151e07158
hex1506470

22045808 has 20 divisors (see below), whose sum is σ = 42813480. Its totient is φ = 10997184.

The previous prime is 22045801. The next prime is 22045813. The reversal of 22045808 is 80854022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6791 + ... + 9497.

It is an arithmetic number, because the mean of its divisors is an integer number (2140674).

Almost surely, 222045808 is an apocalyptic number.

It is an amenable number.

22045808 is a deficient number, since it is larger than the sum of its proper divisors (20767672).

22045808 is a wasteful number, since it uses less digits than its factorization.

22045808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 3218 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 22045808 is about 4695.2963697726. The cubic root of 22045808 is about 280.3982767532.

The spelling of 22045808 in words is "twenty-two million, forty-five thousand, eight hundred eight".

Divisors: 1 2 4 8 16 509 1018 2036 2707 4072 5414 8144 10828 21656 43312 1377863 2755726 5511452 11022904 22045808