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5447689 = 13419053
BaseRepresentation
bin10100110010000000001001
3101020202211021
4110302000021
52343311224
6312432441
764206322
oct24620011
911222737
105447689
113090a25
1219a8721
1311897b0
14a1b449
157291e4
hex532009

5447689 has 4 divisors (see below), whose sum is σ = 5866756. Its totient is φ = 5028624.

The previous prime is 5447671. The next prime is 5447719. The reversal of 5447689 is 9867445.

5447689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3097600 + 2350089 = 1760^2 + 1533^2 .

It is a cyclic number.

It is not a de Polignac number, because 5447689 - 25 = 5447657 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5447639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209514 + ... + 209539.

It is an arithmetic number, because the mean of its divisors is an integer number (1466689).

Almost surely, 25447689 is an apocalyptic number.

It is an amenable number.

5447689 is a deficient number, since it is larger than the sum of its proper divisors (419067).

5447689 is a wasteful number, since it uses less digits than its factorization.

5447689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419066.

The product of its digits is 241920, while the sum is 43.

The square root of 5447689 is about 2334.0284916856. The cubic root of 5447689 is about 175.9560087195.

The spelling of 5447689 in words is "five million, four hundred forty-seven thousand, six hundred eighty-nine".

Divisors: 1 13 419053 5447689