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10439489 = 31333353
BaseRepresentation
bin100111110100…
…101101000001
3201122101021202
4213310231001
510133030424
61011430545
7154506554
oct47645501
921571252
1010439489
115990385
1235b5455
132216918
14155a69b
15db32ae
hex9f4b41

10439489 has 4 divisors (see below), whose sum is σ = 10473156. Its totient is φ = 10405824.

The previous prime is 10439483. The next prime is 10439501. The reversal of 10439489 is 98493401.

10439489 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, and also an emirpimes, since its reverse is a distinct semiprime: 98493401 = 711387231.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 10029889 = 640^2 + 3167^2 .

It is a cyclic number.

It is not a de Polignac number, because 10439489 - 212 = 10435393 is a prime.

It is a super-2 number, since 2×104394892 = 217965861162242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10439483) 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, 16364 + ... + 16989.

It is an arithmetic number, because the mean of its divisors is an integer number (2618289).

Almost surely, 210439489 is an apocalyptic number.

It is an amenable number.

10439489 is a deficient number, since it is larger than the sum of its proper divisors (33667).

10439489 is an equidigital number, since it uses as much as digits as its factorization.

10439489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33666.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 10439489 is about 3231.0198080482. The cubic root of 10439489 is about 218.5544969990.

It can be divided in two parts, 104 and 39489, that added together give a palindrome (39593).

The spelling of 10439489 in words is "ten million, four hundred thirty-nine thousand, four hundred eighty-nine".

Divisors: 1 313 33353 10439489