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22057914 = 238344293
BaseRepresentation
bin101010000100…
…1001110111010
31112111122202210
41110021032322
521121323124
62104435550
7355326534
oct124111672
945448683
1022057914
11114a648a
127478bb6
134754028
142d02854
151e0aa29
hex15093ba

22057914 has 16 divisors (see below), whose sum is σ = 44648352. Its totient is φ = 7263888.

The previous prime is 22057913. The next prime is 22057921. The reversal of 22057914 is 41975022.

It is not an unprimeable number, because it can be changed into a prime (22057913) 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, 21649 + ... + 22644.

It is an arithmetic number, because the mean of its divisors is an integer number (2790522).

Almost surely, 222057914 is an apocalyptic number.

22057914 is an abundant number, since it is smaller than the sum of its proper divisors (22590438).

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

22057914 is a wasteful number, since it uses less digits than its factorization.

22057914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44381.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 22057914 is about 4696.5853553406. The cubic root of 22057914 is about 280.4495923349.

The spelling of 22057914 in words is "twenty-two million, fifty-seven thousand, nine hundred fourteen".

Divisors: 1 2 3 6 83 166 249 498 44293 88586 132879 265758 3676319 7352638 11028957 22057914