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22990614 = 234781527
BaseRepresentation
bin101011110110…
…0111100010110
31121021001012020
41113230330112
521341144424
62140434010
7366263013
oct127547426
947231166
1022990614
1111a83209
127848906
1349bc71a
1430a670a
152042079
hex15ecf16

22990614 has 16 divisors (see below), whose sum is σ = 46960128. Its totient is φ = 7500392.

The previous prime is 22990603. The next prime is 22990619. The reversal of 22990614 is 41609922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22990619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40482 + ... + 41045.

It is an arithmetic number, because the mean of its divisors is an integer number (2935008).

Almost surely, 222990614 is an apocalyptic number.

22990614 is an abundant number, since it is smaller than the sum of its proper divisors (23969514).

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

22990614 is a wasteful number, since it uses less digits than its factorization.

22990614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81579.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 22990614 is about 4794.8528653130. The cubic root of 22990614 is about 284.3480078877.

The spelling of 22990614 in words is "twenty-two million, nine hundred ninety thousand, six hundred fourteen".

Divisors: 1 2 3 6 47 94 141 282 81527 163054 244581 489162 3831769 7663538 11495307 22990614