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22660893 = 322517877
BaseRepresentation
bin101011001110…
…0011100011101
31120122021220100
41112130130131
521300122033
62125411313
7363420513
oct126343435
946567810
1022660893
1111878512
127709b39
134905618
14301c4b3
151ec9513
hex159c71d

22660893 has 6 divisors (see below), whose sum is σ = 32732414. Its totient is φ = 15107256.

The previous prime is 22660889. The next prime is 22660903. The reversal of 22660893 is 39806622.

It can be written as a sum of positive squares in only one way, i.e., 22297284 + 363609 = 4722^2 + 603^2 .

It is not a de Polignac number, because 22660893 - 22 = 22660889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22660853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1258930 + ... + 1258947.

Almost surely, 222660893 is an apocalyptic number.

It is an amenable number.

22660893 is a deficient number, since it is larger than the sum of its proper divisors (10071521).

22660893 is a wasteful number, since it uses less digits than its factorization.

22660893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517883 (or 2517880 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 22660893 is about 4760.3458907941. The cubic root of 22660893 is about 282.9821270870.

The spelling of 22660893 in words is "twenty-two million, six hundred sixty thousand, eight hundred ninety-three".

Divisors: 1 3 9 2517877 7553631 22660893