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6725045 = 51345009
BaseRepresentation
bin11001101001110110110101
3110122200000202
4121221312311
53210200140
6400050245
7111106355
oct31516665
913580022
106725045
113883698
122303985
131516022
14c70b65
158cc915
hex669db5

6725045 has 4 divisors (see below), whose sum is σ = 8070060. Its totient is φ = 5380032.

The previous prime is 6725027. The next prime is 6725051. The reversal of 6725045 is 5405276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1747684 + 4977361 = 1322^2 + 2231^2 .

It is a cyclic number.

It is not a de Polignac number, because 6725045 - 26 = 6724981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6724999 and 6725017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672500 + ... + 672509.

It is an arithmetic number, because the mean of its divisors is an integer number (2017515).

Almost surely, 26725045 is an apocalyptic number.

It is an amenable number.

6725045 is a deficient number, since it is larger than the sum of its proper divisors (1345015).

6725045 is a wasteful number, since it uses less digits than its factorization.

6725045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345014.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 6725045 is about 2593.2691722997. The cubic root of 6725045 is about 188.7549711423.

The spelling of 6725045 in words is "six million, seven hundred twenty-five thousand, forty-five".

Divisors: 1 5 1345009 6725045