Search a number
-
+
10907249 = 87712437
BaseRepresentation
bin101001100110…
…111001110001
3202112010221012
4221212321301
510243012444
61025440305
7161465363
oct51467161
922463835
1010907249
11617a861
1237a0095
13234b7c2
14163cd33
15e56b9e
hexa66e71

10907249 has 4 divisors (see below), whose sum is σ = 10920564. Its totient is φ = 10893936.

The previous prime is 10907231. The next prime is 10907263. The reversal of 10907249 is 94270901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94270901 = 373252737.

It can be written as a sum of positive squares in 2 ways, for example, as 4276624 + 6630625 = 2068^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 10907249 - 212 = 10903153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10907749) 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, 5342 + ... + 7095.

It is an arithmetic number, because the mean of its divisors is an integer number (2730141).

Almost surely, 210907249 is an apocalyptic number.

It is an amenable number.

10907249 is a deficient number, since it is larger than the sum of its proper divisors (13315).

10907249 is an equidigital number, since it uses as much as digits as its factorization.

10907249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13314.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 10907249 is about 3302.6124507729. The cubic root of 10907249 is about 221.7711639767.

The spelling of 10907249 in words is "ten million, nine hundred seven thousand, two hundred forty-nine".

Divisors: 1 877 12437 10907249