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8418225 = 3521071049
BaseRepresentation
bin100000000111…
…001110110001
3120211200122010
4200013032301
54123340400
6500233133
7131360634
oct40071661
916750563
108418225
11482a812
12299b7a9
1319898ca
141191c1b
15b14450
hex8073b1

8418225 has 24 divisors (see below), whose sum is σ = 14061600. Its totient is φ = 4443520.

The previous prime is 8418211. The next prime is 8418227. The reversal of 8418225 is 5228148.

8418225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8418225 - 24 = 8418209 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8418192 and 8418201.

It is not an unprimeable number, because it can be changed into a prime (8418227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7501 + ... + 8549.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 28418225 is an apocalyptic number.

It is an amenable number.

8418225 is a deficient number, since it is larger than the sum of its proper divisors (5643375).

8418225 is a wasteful number, since it uses less digits than its factorization.

8418225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1164 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 8418225 is about 2901.4177568906. The cubic root of 8418225 is about 203.4261796410.

The spelling of 8418225 in words is "eight million, four hundred eighteen thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 107 321 535 1049 1605 2675 3147 5245 8025 15735 26225 78675 112243 336729 561215 1683645 2806075 8418225