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7228325 = 521323967
BaseRepresentation
bin11011100100101110100101
3111121020101202
4123210232211
53322301300
6414532245
7115303556
oct33445645
914536352
107228325
114097825
122507085
131661120
14d6232d
1597bad5
hex6e4ba5

7228325 has 24 divisors (see below), whose sum is σ = 10082688. Its totient is φ = 5100480.

The previous prime is 7228321. The next prime is 7228373. The reversal of 7228325 is 5238227.

It is not a de Polignac number, because 7228325 - 22 = 7228321 is a prime.

It is a d-powerful number, because it can be written as 78 + 25 + 212 + 83 + 39 + 220 + 58 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6992 + ... + 7958.

It is an arithmetic number, because the mean of its divisors is an integer number (420112).

Almost surely, 27228325 is an apocalyptic number.

It is an amenable number.

7228325 is a deficient number, since it is larger than the sum of its proper divisors (2854363).

7228325 is a wasteful number, since it uses less digits than its factorization.

7228325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1008 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 7228325 is about 2688.5544443065. The cubic root of 7228325 is about 193.3507630606.

The spelling of 7228325 in words is "seven million, two hundred twenty-eight thousand, three hundred twenty-five".

Divisors: 1 5 13 23 25 65 115 299 325 575 967 1495 4835 7475 12571 22241 24175 62855 111205 289133 314275 556025 1445665 7228325