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6744425 = 52349773
BaseRepresentation
bin11001101110100101101001
3110200122121112
4121232211221
53211310200
6400320105
7111220022
oct31564551
913618545
106744425
113897206
122313035
131521aac
14c77c49
158d3535
hex66e969

6744425 has 12 divisors (see below), whose sum is σ = 8397900. Its totient is φ = 5373120.

The previous prime is 6744407. The next prime is 6744431. The reversal of 6744425 is 5244476.

It can be written as a sum of positive squares in 6 ways, for example, as 534361 + 6210064 = 731^2 + 2492^2 .

It is not a de Polignac number, because 6744425 - 28 = 6744169 is a prime.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 6744391 and 6744400.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8339 + ... + 9111.

It is an arithmetic number, because the mean of its divisors is an integer number (699825).

Almost surely, 26744425 is an apocalyptic number.

It is an amenable number.

6744425 is a deficient number, since it is larger than the sum of its proper divisors (1653475).

6744425 is a wasteful number, since it uses less digits than its factorization.

6744425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1127 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 6744425 is about 2597.0030804756. The cubic root of 6744425 is about 188.9361130803.

The spelling of 6744425 in words is "six million, seven hundred forty-four thousand, four hundred twenty-five".

Divisors: 1 5 25 349 773 1745 3865 8725 19325 269777 1348885 6744425