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22055046 = 23131571801
BaseRepresentation
bin101010000100…
…0100010000110
31112111111211120
41110020202012
521121230141
62104414410
7355315266
oct124104206
945444746
1022055046
11114a4312
127477406
134752930
142d017a6
151e09c66
hex1508886

22055046 has 32 divisors (see below), whose sum is σ = 47832288. Its totient is φ = 6739200.

The previous prime is 22055023. The next prime is 22055053. The reversal of 22055046 is 64055022.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11346 + ... + 13146.

It is an arithmetic number, because the mean of its divisors is an integer number (1494759).

Almost surely, 222055046 is an apocalyptic number.

22055046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22055046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23916144).

22055046 is an abundant number, since it is smaller than the sum of its proper divisors (25777242).

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

22055046 is a wasteful number, since it uses less digits than its factorization.

22055046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 22055046 is about 4696.2800172051. The cubic root of 22055046 is about 280.4374369955.

Subtracting from 22055046 its sum of digits (24), we obtain a palindrome (22055022).

The spelling of 22055046 in words is "twenty-two million, fifty-five thousand, forty-six".

Divisors: 1 2 3 6 13 26 39 78 157 314 471 942 1801 2041 3602 4082 5403 6123 10806 12246 23413 46826 70239 140478 282757 565514 848271 1696542 3675841 7351682 11027523 22055046