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10655993 is a prime number
BaseRepresentation
bin101000101001…
…100011111001
3202001101021102
4220221203321
510211442433
61020221145
7156401015
oct50514371
922041242
1010655993
116019007
12369a7b5
13229132a
1415b5545
15e074e8
hexa298f9

10655993 has 2 divisors, whose sum is σ = 10655994. Its totient is φ = 10655992.

The previous prime is 10655987. The next prime is 10656001. The reversal of 10655993 is 39955601.

10655993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10582009 + 73984 = 3253^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 10655993 - 24 = 10655977 is a prime.

It is a super-2 number, since 2×106559932 = 227100373632098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10654993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5327996 + 5327997.

It is an arithmetic number, because the mean of its divisors is an integer number (5327997).

Almost surely, 210655993 is an apocalyptic number.

It is an amenable number.

10655993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10655993 is an equidigital number, since it uses as much as digits as its factorization.

10655993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 10655993 is about 3264.3518499083. The cubic root of 10655993 is about 220.0550344410.

The spelling of 10655993 in words is "ten million, six hundred fifty-five thousand, nine hundred ninety-three".