Search a number
-
+
10807393 = 17635729
BaseRepresentation
bin101001001110…
…100001100001
3202100001221211
4221032201201
510231314033
61023350121
7160601302
oct51164141
922301854
1010807393
116111833
123752341
13231520c
1416147a9
15e372cd
hexa4e861

10807393 has 4 divisors (see below), whose sum is σ = 11443140. Its totient is φ = 10171648.

The previous prime is 10807361. The next prime is 10807397. The reversal of 10807393 is 39370801.

10807393 is digitally balanced in base 3, 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: 39370801 = 83474347.

It can be written as a sum of positive squares in 2 ways, for example, as 7524049 + 3283344 = 2743^2 + 1812^2 .

It is a cyclic number.

It is not a de Polignac number, because 10807393 - 25 = 10807361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10807397) 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, 317848 + ... + 317881.

It is an arithmetic number, because the mean of its divisors is an integer number (2860785).

Almost surely, 210807393 is an apocalyptic number.

It is an amenable number.

10807393 is a deficient number, since it is larger than the sum of its proper divisors (635747).

10807393 is an equidigital number, since it uses as much as digits as its factorization.

10807393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635746.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 10807393 is about 3287.4599617334. The cubic root of 10807393 is about 221.0923155342.

The spelling of 10807393 in words is "ten million, eight hundred seven thousand, three hundred ninety-three".

Divisors: 1 17 635729 10807393