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6986913 = 32328971
BaseRepresentation
bin11010101001110010100001
3111010222020120
4122221302201
53242040123
6405430453
7113250003
oct32516241
914128216
106986913
113a4240a
12240b429
1315a828b
14cdc373
159302e3
hex6a9ca1

6986913 has 4 divisors (see below), whose sum is σ = 9315888. Its totient is φ = 4657940.

The previous prime is 6986911. The next prime is 6986977. The reversal of 6986913 is 3196896.

6986913 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6986913 - 21 = 6986911 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6986911) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1164483 + ... + 1164488.

It is an arithmetic number, because the mean of its divisors is an integer number (2328972).

Almost surely, 26986913 is an apocalyptic number.

It is an amenable number.

6986913 is a deficient number, since it is larger than the sum of its proper divisors (2328975).

6986913 is a wasteful number, since it uses less digits than its factorization.

6986913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328974.

The product of its digits is 69984, while the sum is 42.

The square root of 6986913 is about 2643.2769434927. The cubic root of 6986913 is about 191.1738318587.

The spelling of 6986913 in words is "six million, nine hundred eighty-six thousand, nine hundred thirteen".

Divisors: 1 3 2328971 6986913