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6840014 = 214512357
BaseRepresentation
bin11010000101111011001110
3110212111201212
4122011323032
53222340024
6402334422
7112065506
oct32057316
913774655
106840014
113952005
12235a412
13155645c
14ca0a06
15901a0e
hex685ece

6840014 has 8 divisors (see below), whose sum is σ = 10271448. Its totient is φ = 3416200.

The previous prime is 6840013. The next prime is 6840017. The reversal of 6840014 is 4100486.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724 + ... + 4080.

It is an arithmetic number, because the mean of its divisors is an integer number (1283931).

Almost surely, 26840014 is an apocalyptic number.

6840014 is a deficient number, since it is larger than the sum of its proper divisors (3431434).

6840014 is a wasteful number, since it uses less digits than its factorization.

6840014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 6840014 is about 2615.3420426399. The cubic root of 6840014 is about 189.8245286703.

The spelling of 6840014 in words is "six million, eight hundred forty thousand, fourteen".

Divisors: 1 2 1451 2357 2902 4714 3420007 6840014