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7248225 = 35296643
BaseRepresentation
bin11011101001100101100001
3111122020200210
4123221211201
53323420400
6415204333
7115415565
oct33514541
914566623
107248225
114100776
1225166a9
13166a1ba
14d696a5
15982950
hex6e9961

7248225 has 12 divisors (see below), whose sum is σ = 11983856. Its totient is φ = 3865680.

The previous prime is 7248223. The next prime is 7248229. The reversal of 7248225 is 5228427.

7248225 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 7248225 - 21 = 7248223 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7248192 and 7248201.

It is not an unprimeable number, because it can be changed into a prime (7248223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48247 + ... + 48396.

Almost surely, 27248225 is an apocalyptic number.

7248225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7248225 is a deficient number, since it is larger than the sum of its proper divisors (4735631).

7248225 is a wasteful number, since it uses less digits than its factorization.

7248225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96656 (or 96651 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 7248225 is about 2692.2527741652. The cubic root of 7248225 is about 193.5280357858.

The spelling of 7248225 in words is "seven million, two hundred forty-eight thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 96643 289929 483215 1449645 2416075 7248225