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6809442 = 231134907
BaseRepresentation
bin11001111110011101100010
3110210221210120
4121332131202
53220400232
6401541110
7111610413
oct31763542
913727716
106809442
113931042
122344796
131545573
14c9380a
158e792c
hex67e762

6809442 has 8 divisors (see below), whose sum is σ = 13618896. Its totient is φ = 2269812.

The previous prime is 6809423. The next prime is 6809459. The reversal of 6809442 is 2449086.

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

6809442 is an admirable number.

It is an Ulam 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, 567448 + ... + 567459.

It is an arithmetic number, because the mean of its divisors is an integer number (1702362).

Almost surely, 26809442 is an apocalyptic number.

6809442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6809442 is a wasteful number, since it uses less digits than its factorization.

6809442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134912.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 6809442 is about 2609.4907549175. The cubic root of 6809442 is about 189.5412942035.

The spelling of 6809442 in words is "six million, eight hundred nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 1134907 2269814 3404721 6809442