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22930990 = 255634073
BaseRepresentation
bin101011101111…
…0011000101110
31121011000101221
41113132120232
521332242430
62135253554
7365624125
oct127363056
947130357
1022930990
1111a42435
12781a2ba
13499b544
14308cabc
15202e57a
hex15de62e

22930990 has 16 divisors (see below), whose sum is σ = 41359248. Its totient is φ = 9153856.

The previous prime is 22930981. The next prime is 22931017. The reversal of 22930990 is 9903922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3594 + ... + 7666.

It is an arithmetic number, because the mean of its divisors is an integer number (2584953).

Almost surely, 222930990 is an apocalyptic number.

22930990 is a deficient number, since it is larger than the sum of its proper divisors (18428258).

22930990 is a wasteful number, since it uses less digits than its factorization.

22930990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 22930990 is about 4788.6313284695. The cubic root of 22930990 is about 284.1019851274.

The spelling of 22930990 in words is "twenty-two million, nine hundred thirty thousand, nine hundred ninety".

Divisors: 1 2 5 10 563 1126 2815 4073 5630 8146 20365 40730 2293099 4586198 11465495 22930990