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10253893 = 13788761
BaseRepresentation
bin100111000111…
…011001000101
3201021221200211
4213013121011
510111111033
61003435421
7153104506
oct47073105
921257624
1010253893
1158739a1
123525b71
1321802c0
14150cbad
15d782cd
hex9c7645

10253893 has 4 divisors (see below), whose sum is σ = 11042668. Its totient is φ = 9465120.

The previous prime is 10253869. The next prime is 10253911. The reversal of 10253893 is 39835201.

It is a happy number.

10253893 is digitally balanced in base 2, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1592644 + 8661249 = 1262^2 + 2943^2 .

It is a cyclic number.

It is not a de Polignac number, because 10253893 - 25 = 10253861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10253833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394368 + ... + 394393.

It is an arithmetic number, because the mean of its divisors is an integer number (2760667).

Almost surely, 210253893 is an apocalyptic number.

10253893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10253893 is a deficient number, since it is larger than the sum of its proper divisors (788775).

10253893 is an equidigital number, since it uses as much as digits as its factorization.

10253893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788774.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 10253893 is about 3202.1700454536. The cubic root of 10253893 is about 217.2515717285.

The spelling of 10253893 in words is "ten million, two hundred fifty-three thousand, eight hundred ninety-three".

Divisors: 1 13 788761 10253893