Search a number
-
+
6894142 = 23447071
BaseRepresentation
bin11010010011001000111110
3110222020222121
4122103020332
53231103032
6403433154
7112412353
oct32231076
913866877
106894142
113989742
1223857ba
131574c98
14cb662a
15912a97
hex69323e

6894142 has 4 divisors (see below), whose sum is σ = 10341216. Its totient is φ = 3447070.

The previous prime is 6894133. The next prime is 6894143. The reversal of 6894142 is 2414986.

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

It is a junction number, because it is equal to n+sod(n) for n = 6894098 and 6894107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1723534 + ... + 1723537.

It is an arithmetic number, because the mean of its divisors is an integer number (2585304).

Almost surely, 26894142 is an apocalyptic number.

6894142 is a deficient number, since it is larger than the sum of its proper divisors (3447074).

6894142 is a wasteful number, since it uses less digits than its factorization.

6894142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447073.

The product of its digits is 13824, while the sum is 34.

The square root of 6894142 is about 2625.6698193033. The cubic root of 6894142 is about 190.3239349374.

The spelling of 6894142 in words is "six million, eight hundred ninety-four thousand, one hundred forty-two".

Divisors: 1 2 3447071 6894142