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8428713 = 33178863
BaseRepresentation
bin100000001001…
…110010101001
3120212020000120
4200021302221
54124204323
6500353453
7131433336
oct40116251
916766016
108428713
114837687
1229a5889
131991607
14119598d
15b175e3
hex809ca9

8428713 has 8 divisors (see below), whose sum is σ = 11275008. Its totient is φ = 5600784.

The previous prime is 8428709. The next prime is 8428729. The reversal of 8428713 is 3178248.

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

It is not a de Polignac number, because 8428713 - 22 = 8428709 is a prime.

It is a d-powerful number, because it can be written as 83 + 44 + 223 + 85 + 7 + 1 + 38 .

8428713 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8428703) 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, 3481 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (1409376).

Almost surely, 28428713 is an apocalyptic number.

It is an amenable number.

8428713 is a deficient number, since it is larger than the sum of its proper divisors (2846295).

8428713 is a wasteful number, since it uses less digits than its factorization.

8428713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183.

The product of its digits is 10752, while the sum is 33.

The square root of 8428713 is about 2903.2245865589. The cubic root of 8428713 is about 203.5106253268.

The spelling of 8428713 in words is "eight million, four hundred twenty-eight thousand, seven hundred thirteen".

Divisors: 1 3 317 951 8863 26589 2809571 8428713