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22920132 = 22310118911
BaseRepresentation
bin101011101101…
…1101111000100
31121010110111210
41113123233010
521331421012
62135131420
7365550354
oct127335704
947113453
1022920132
1111a35264
127813b70
134996611
143088b64
15202b23c
hex15dbbc4

22920132 has 24 divisors (see below), whose sum is σ = 54012672. Its totient is φ = 7564000.

The previous prime is 22920113. The next prime is 22920133. The reversal of 22920132 is 23102922.

It is a junction number, because it is equal to n+sod(n) for n = 22920099 and 22920108.

It is not an unprimeable number, because it can be changed into a prime (22920133) 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, 8244 + ... + 10667.

It is an arithmetic number, because the mean of its divisors is an integer number (2250528).

Almost surely, 222920132 is an apocalyptic number.

It is an amenable number.

22920132 is an abundant number, since it is smaller than the sum of its proper divisors (31092540).

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

22920132 is a wasteful number, since it uses less digits than its factorization.

22920132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19019 (or 19017 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 22920132 is about 4787.4974673623. The cubic root of 22920132 is about 284.0571365568.

The spelling of 22920132 in words is "twenty-two million, nine hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 18911 37822 56733 75644 113466 226932 1910011 3820022 5730033 7640044 11460066 22920132