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6813142 = 27486653
BaseRepresentation
bin11001111111010111010110
3110211010212121
4121333113112
53221010032
6402010154
7111624250
oct31772726
913733777
106813142
1139338a6
12234695a
13154715b
14c94cd0
158e8a97
hex67f5d6

6813142 has 8 divisors (see below), whose sum is σ = 11679696. Its totient is φ = 2919912.

The previous prime is 6813139. The next prime is 6813181. The reversal of 6813142 is 2413186.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 243313 + ... + 243340.

It is an arithmetic number, because the mean of its divisors is an integer number (1459962).

Almost surely, 26813142 is an apocalyptic number.

6813142 is a deficient number, since it is larger than the sum of its proper divisors (4866554).

6813142 is a wasteful number, since it uses less digits than its factorization.

6813142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486662.

The product of its digits is 1152, while the sum is 25.

The square root of 6813142 is about 2610.1996092253. The cubic root of 6813142 is about 189.5756179071.

The spelling of 6813142 in words is "six million, eight hundred thirteen thousand, one hundred forty-two".

Divisors: 1 2 7 14 486653 973306 3406571 6813142