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22054930 = 252395891
BaseRepresentation
bin101010000100…
…0100000010010
31112111111200021
41110020200102
521121224210
62104414054
7355315042
oct124104022
945444607
1022054930
11114a4217
12747732a
134752871
142d01722
151e09bda
hex1508812

22054930 has 16 divisors (see below), whose sum is σ = 41425344. Its totient is φ = 8438320.

The previous prime is 22054913. The next prime is 22054931. The reversal of 22054930 is 3945022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22054895 and 22054904.

It is not an unprimeable number, because it can be changed into a prime (22054931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47716 + ... + 48175.

It is an arithmetic number, because the mean of its divisors is an integer number (2589084).

Almost surely, 222054930 is an apocalyptic number.

22054930 is a deficient number, since it is larger than the sum of its proper divisors (19370414).

22054930 is a wasteful number, since it uses less digits than its factorization.

22054930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95921.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22054930 is about 4696.2676669883. The cubic root of 22054930 is about 280.4369453348.

Adding to 22054930 its reverse (3945022), we get a palindrome (25999952).

The spelling of 22054930 in words is "twenty-two million, fifty-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 95891 191782 479455 958910 2205493 4410986 11027465 22054930