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6838942 = 211310861
BaseRepresentation
bin11010000101101010011110
3110212110021011
4122011222132
53222321232
6402325434
7112062415
oct32055236
913773234
106838942
113951220
12235987a
131555b16
14ca047c
15901547
hex685a9e

6838942 has 8 divisors (see below), whose sum is σ = 11191032. Its totient is φ = 3108600.

The previous prime is 6838927. The next prime is 6838943. The reversal of 6838942 is 2498386.

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

It is a super-2 number, since 2×68389422 = 93542255358728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6838895 and 6838904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838943) 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, 155409 + ... + 155452.

It is an arithmetic number, because the mean of its divisors is an integer number (1398879).

Almost surely, 26838942 is an apocalyptic number.

6838942 is a deficient number, since it is larger than the sum of its proper divisors (4352090).

6838942 is a wasteful number, since it uses less digits than its factorization.

6838942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310874.

The product of its digits is 82944, while the sum is 40.

The square root of 6838942 is about 2615.1370900968. The cubic root of 6838942 is about 189.8146114135.

The spelling of 6838942 in words is "six million, eight hundred thirty-eight thousand, nine hundred forty-two".

Divisors: 1 2 11 22 310861 621722 3419471 6838942