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22081048 = 2311222811
BaseRepresentation
bin101010000111…
…0111000011000
31112112211111121
41110032320120
521123043143
62105135024
7355454143
oct124167030
945484447
1022081048
1111511900
12748a474
134761712
142d0b05a
151e127ed
hex150ee18

22081048 has 24 divisors (see below), whose sum is σ = 45509940. Its totient is φ = 10036400.

The previous prime is 22081043. The next prime is 22081049. The reversal of 22081048 is 84018022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22081043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10438 + ... + 12373.

Almost surely, 222081048 is an apocalyptic number.

It is an amenable number.

22081048 is an abundant number, since it is smaller than the sum of its proper divisors (23428892).

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

22081048 is a wasteful number, since it uses less digits than its factorization.

22081048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22839 (or 22824 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 22081048 is about 4699.0475630706. The cubic root of 22081048 is about 280.5476018150.

The spelling of 22081048 in words is "twenty-two million, eighty-one thousand, forty-eight".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 22811 45622 91244 182488 250921 501842 1003684 2007368 2760131 5520262 11040524 22081048