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8468125 = 5417797
BaseRepresentation
bin100000010011…
…011010011101
3120221020002021
4200103122131
54131440000
6501300141
7131656261
oct40233235
916836067
108468125
114864256
122a04651
1319a6533
1411a60a1
15b2411a
hex81369d

8468125 has 20 divisors (see below), whose sum is σ = 11218284. Its totient is φ = 6368000.

The previous prime is 8468123. The next prime is 8468137. The reversal of 8468125 is 5218648.

It can be written as a sum of positive squares in 10 ways, for example, as 5433561 + 3034564 = 2331^2 + 1742^2 .

It is not a de Polignac number, because 8468125 - 21 = 8468123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8468123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10227 + ... + 11023.

Almost surely, 28468125 is an apocalyptic number.

8468125 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8468125 is a deficient number, since it is larger than the sum of its proper divisors (2750159).

8468125 is an equidigital number, since it uses as much as digits as its factorization.

8468125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 819 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 8468125 is about 2910.0042955295. The cubic root of 8468125 is about 203.8273321067.

It can be divided in two parts, 84681 and 25, that multiplied together give a square (2117025 = 14552).

The spelling of 8468125 in words is "eight million, four hundred sixty-eight thousand, one hundred twenty-five".

Divisors: 1 5 17 25 85 125 425 625 797 2125 3985 10625 13549 19925 67745 99625 338725 498125 1693625 8468125