Search a number
-
+
8268025 = 52330721
BaseRepresentation
bin11111100010100011111001
3120120001121011
4133202203321
54104034100
6453113521
7130164013
oct37424371
916501534
108268025
114737987
1229288a1
13193642c
1411531b3
15ad4bba
hex7e28f9

8268025 has 6 divisors (see below), whose sum is σ = 10252382. Its totient is φ = 6614400.

The previous prime is 8268023. The next prime is 8268031. The reversal of 8268025 is 5208628.

It can be written as a sum of positive squares in 3 ways, for example, as 36864 + 8231161 = 192^2 + 2869^2 .

It is not a de Polignac number, because 8268025 - 21 = 8268023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8268023) 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, 165336 + ... + 165385.

Almost surely, 28268025 is an apocalyptic number.

It is an amenable number.

8268025 is a deficient number, since it is larger than the sum of its proper divisors (1984357).

8268025 is a wasteful number, since it uses less digits than its factorization.

8268025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330731 (or 330726 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 8268025 is about 2875.4173610104. The cubic root of 8268025 is about 202.2090522738.

The spelling of 8268025 in words is "eight million, two hundred sixty-eight thousand, twenty-five".

Divisors: 1 5 25 330721 1653605 8268025