Search a number
-
+
10788025 = 52431521
BaseRepresentation
bin101001001001…
…110010111001
3202022002101111
4221021302321
510230204100
61023120321
7160460653
oct51116271
922262344
1010788025
1160a9226
1237430a1
132309461
14160b6d3
15e316ba
hexa49cb9

10788025 has 6 divisors (see below), whose sum is σ = 13377182. Its totient is φ = 8630400.

The previous prime is 10788023. The next prime is 10788059. The reversal of 10788025 is 52088701.

10788025 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 212521 + 10575504 = 461^2 + 3252^2 .

It is not a de Polignac number, because 10788025 - 21 = 10788023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10788023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215736 + ... + 215785.

Almost surely, 210788025 is an apocalyptic number.

It is an amenable number.

10788025 is a deficient number, since it is larger than the sum of its proper divisors (2589157).

10788025 is an equidigital number, since it uses as much as digits as its factorization.

10788025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431531 (or 431526 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 10788025 is about 3284.5129014817. The cubic root of 10788025 is about 220.9601628951.

The spelling of 10788025 in words is "ten million, seven hundred eighty-eight thousand, twenty-five".

Divisors: 1 5 25 431521 2157605 10788025