Search a number
-
+
10255969 = 10399871
BaseRepresentation
bin100111000111…
…111001100001
3201022001112201
4213013321201
510111142334
61003453201
7153113533
oct47077141
921261481
1010255969
115875509
123527201
132181229
14150d853
15d78c14
hex9c7e61

10255969 has 4 divisors (see below), whose sum is σ = 10266880. Its totient is φ = 10245060.

The previous prime is 10255963. The next prime is 10256039. The reversal of 10255969 is 96955201.

10255969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10255969 is a prime.

It is a super-2 number, since 2×102559692 = 210369800257922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10255963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3897 + ... + 5974.

It is an arithmetic number, because the mean of its divisors is an integer number (2566720).

Almost surely, 210255969 is an apocalyptic number.

It is an amenable number.

10255969 is a deficient number, since it is larger than the sum of its proper divisors (10911).

10255969 is an equidigital number, since it uses as much as digits as its factorization.

10255969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 10255969 is about 3202.4941842258. The cubic root of 10255969 is about 217.2662323011.

The spelling of 10255969 in words is "ten million, two hundred fifty-five thousand, nine hundred sixty-nine".

Divisors: 1 1039 9871 10255969