Search a number
-
+
10268791 = 131037669
BaseRepresentation
bin100111001011…
…000001110111
3201022201010121
4213023001313
510112100131
61004032411
7153166111
oct47130167
921281117
1010268791
115884105
123532707
132187010
1415143b1
15d7c911
hex9cb077

10268791 has 8 divisors (see below), whose sum is σ = 11167520. Its totient is φ = 9385632.

The previous prime is 10268789. The next prime is 10268807. The reversal of 10268791 is 19786201.

It is a happy number.

10268791 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10268791 - 21 = 10268789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10263791) 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 7 ways as a sum of consecutive naturals, for example, 2496 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (1395940).

Almost surely, 210268791 is an apocalyptic number.

10268791 is a deficient number, since it is larger than the sum of its proper divisors (898729).

10268791 is a wasteful number, since it uses less digits than its factorization.

10268791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7785.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 10268791 is about 3204.4954361022. The cubic root of 10268791 is about 217.3567365888.

The spelling of 10268791 in words is "ten million, two hundred sixty-eight thousand, seven hundred ninety-one".

Divisors: 1 13 103 1339 7669 99697 789907 10268791