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8408225 = 527232089
BaseRepresentation
bin100000000100…
…110010100001
3120211011220202
4200010302201
54123030400
6500114545
7131316530
oct40046241
916734822
108408225
114823251
122995a55
1319851a7
14118c317
15b114d5
hex804ca1

8408225 has 24 divisors (see below), whose sum is σ = 12439680. Its totient is φ = 5512320.

The previous prime is 8408189. The next prime is 8408227. The reversal of 8408225 is 5228048.

It is not a de Polignac number, because 8408225 - 28 = 8407969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8408227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2981 + ... + 5069.

It is an arithmetic number, because the mean of its divisors is an integer number (518320).

Almost surely, 28408225 is an apocalyptic number.

It is an amenable number.

8408225 is a deficient number, since it is larger than the sum of its proper divisors (4031455).

8408225 is a wasteful number, since it uses less digits than its factorization.

8408225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129 (or 2124 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 8408225 is about 2899.6939493678. The cubic root of 8408225 is about 203.3455978150.

The spelling of 8408225 in words is "eight million, four hundred eight thousand, two hundred twenty-five".

Divisors: 1 5 7 23 25 35 115 161 175 575 805 2089 4025 10445 14623 48047 52225 73115 240235 336329 365575 1201175 1681645 8408225