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6929143 = 13533011
BaseRepresentation
bin11010011011101011110111
3111001000222221
4122123223313
53233213033
6404303211
7112616404
oct32335367
914030887
106929143
113a02a71
1223a1b07
131587bb0
14cc52ab
1591d12d
hex69baf7

6929143 has 4 divisors (see below), whose sum is σ = 7462168. Its totient is φ = 6396120.

The previous prime is 6929113. The next prime is 6929147. The reversal of 6929143 is 3419296.

6929143 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 is a cyclic number.

It is not a de Polignac number, because 6929143 - 213 = 6920951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6929099 and 6929108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6929147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266493 + ... + 266518.

It is an arithmetic number, because the mean of its divisors is an integer number (1865542).

Almost surely, 26929143 is an apocalyptic number.

6929143 is a deficient number, since it is larger than the sum of its proper divisors (533025).

6929143 is a wasteful number, since it uses less digits than its factorization.

6929143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533024.

The product of its digits is 11664, while the sum is 34.

The square root of 6929143 is about 2632.3265374949. The cubic root of 6929143 is about 190.6454777965.

The spelling of 6929143 in words is "six million, nine hundred twenty-nine thousand, one hundred forty-three".

Divisors: 1 13 533011 6929143