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22135893 = 3131929873
BaseRepresentation
bin101010001110…
…0010001010101
31112122121201220
41110130101111
521131322033
62110240553
7356103063
oct124342125
945577656
1022135893
111154a02a
1274b6159
134780680
142d23033
151e23bb3
hex151c455

22135893 has 16 divisors (see below), whose sum is σ = 33458880. Its totient is φ = 12904704.

The previous prime is 22135877. The next prime is 22135907. The reversal of 22135893 is 39853122.

It is not a de Polignac number, because 22135893 - 24 = 22135877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135843) 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 15 ways as a sum of consecutive naturals, for example, 14196 + ... + 15677.

It is an arithmetic number, because the mean of its divisors is an integer number (2091180).

Almost surely, 222135893 is an apocalyptic number.

It is an amenable number.

22135893 is a deficient number, since it is larger than the sum of its proper divisors (11322987).

22135893 is a wasteful number, since it uses less digits than its factorization.

22135893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29908.

The product of its digits is 12960, while the sum is 33.

The square root of 22135893 is about 4704.8797009063. The cubic root of 22135893 is about 280.7796848762.

The spelling of 22135893 in words is "twenty-two million, one hundred thirty-five thousand, eight hundred ninety-three".

Divisors: 1 3 13 19 39 57 247 741 29873 89619 388349 567587 1165047 1702761 7378631 22135893