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7244425 = 522343293
BaseRepresentation
bin11011101000101010001001
3111122001111001
4123220222021
53323310200
6415135001
7115401526
oct33505211
914561431
107244425
1140a8931
122514461
131668556
14d6814d
1598176a
hex6e8a89

7244425 has 24 divisors (see below), whose sum is σ = 9624384. Its totient is φ = 5396160.

The previous prime is 7244407. The next prime is 7244437. The reversal of 7244425 is 5244427.

It is a happy number.

It is not a de Polignac number, because 7244425 - 221 = 5147273 is a prime.

It is a Duffinian number.

7244425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7244393 and 7244402.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 24579 + ... + 24871.

It is an arithmetic number, because the mean of its divisors is an integer number (401016).

Almost surely, 27244425 is an apocalyptic number.

It is an amenable number.

7244425 is a deficient number, since it is larger than the sum of its proper divisors (2379959).

7244425 is a wasteful number, since it uses less digits than its factorization.

7244425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 364 counting only the distinct ones).

The product of its digits is 8960, while the sum is 28.

The square root of 7244425 is about 2691.5469529622. The cubic root of 7244425 is about 193.4942097990.

The spelling of 7244425 in words is "seven million, two hundred forty-four thousand, four hundred twenty-five".

Divisors: 1 5 23 25 43 115 215 293 575 989 1075 1465 4945 6739 7325 12599 24725 33695 62995 168475 289777 314975 1448885 7244425