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6868942 = 23434471
BaseRepresentation
bin11010001100111111001110
3110220222102021
4122030333032
53224301232
6403120354
7112246033
oct32147716
913828367
106868942
113971813
1223730ba
131566682
14cab38a
1590a397
hex68cfce

6868942 has 4 divisors (see below), whose sum is σ = 10303416. Its totient is φ = 3434470.

The previous prime is 6868921. The next prime is 6868987. The reversal of 6868942 is 2498686.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2498686 = 21249343.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1717234 + ... + 1717237.

It is an arithmetic number, because the mean of its divisors is an integer number (2575854).

Almost surely, 26868942 is an apocalyptic number.

6868942 is a deficient number, since it is larger than the sum of its proper divisors (3434474).

6868942 is a wasteful number, since it uses less digits than its factorization.

6868942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434473.

The product of its digits is 165888, while the sum is 43.

The square root of 6868942 is about 2620.8666505566. The cubic root of 6868942 is about 190.0917562353.

The spelling of 6868942 in words is "six million, eight hundred sixty-eight thousand, nine hundred forty-two".

Divisors: 1 2 3434471 6868942