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6427289 = 11617947
BaseRepresentation
bin11000100001001010011001
3110002112120202
4120201022121
53121133124
6345431545
7105426311
oct30411231
913075522
106427289
11369aa10
12219b5b5
13144063b
14bd4441
1586e5ae
hex621299

6427289 has 8 divisors (see below), whose sum is σ = 7030368. Its totient is φ = 5827360.

The previous prime is 6427277. The next prime is 6427331. The reversal of 6427289 is 9827246.

6427289 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6427289 - 24 = 6427273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6427219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6314 + ... + 7260.

It is an arithmetic number, because the mean of its divisors is an integer number (878796).

Almost surely, 26427289 is an apocalyptic number.

It is an amenable number.

6427289 is a deficient number, since it is larger than the sum of its proper divisors (603079).

6427289 is a wasteful number, since it uses less digits than its factorization.

6427289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its digits is 48384, while the sum is 38.

The square root of 6427289 is about 2535.2098532469. The cubic root of 6427289 is about 185.9270631667.

The spelling of 6427289 in words is "six million, four hundred twenty-seven thousand, two hundred eighty-nine".

Divisors: 1 11 617 947 6787 10417 584299 6427289