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10285489 = 25394051
BaseRepresentation
bin100111001111…
…000110110001
3201100120001001
4213033012301
510113113424
61004242001
7153265564
oct47170661
921316031
1010285489
115895705
123540301
1321917b6
14151a4db
15d82844
hex9cf1b1

10285489 has 4 divisors (see below), whose sum is σ = 10292080. Its totient is φ = 10278900.

The previous prime is 10285487. The next prime is 10285523. The reversal of 10285489 is 98458201.

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 not a de Polignac number, because 10285489 - 21 = 10285487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10285487) 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, 514 + ... + 4564.

It is an arithmetic number, because the mean of its divisors is an integer number (2573020).

Almost surely, 210285489 is an apocalyptic number.

It is an amenable number.

10285489 is a deficient number, since it is larger than the sum of its proper divisors (6591).

10285489 is an equidigital number, since it uses as much as digits as its factorization.

10285489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6590.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 10285489 is about 3207.0997801752. The cubic root of 10285489 is about 217.4744868123.

The spelling of 10285489 in words is "ten million, two hundred eighty-five thousand, four hundred eighty-nine".

Divisors: 1 2539 4051 10285489