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8085829 = 17475637
BaseRepresentation
bin11110110110000101000101
3120012210200011
4132312011011
54032221304
6445150221
7125504563
oct36660505
916183604
108085829
114623004
12285b371
1318a151b
141106a33
15a9ac04
hex7b6145

8085829 has 4 divisors (see below), whose sum is σ = 8561484. Its totient is φ = 7610176.

The previous prime is 8085821. The next prime is 8085851. The reversal of 8085829 is 9285808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7144929 + 940900 = 2673^2 + 970^2 .

It is a cyclic number.

It is not a de Polignac number, because 8085829 - 23 = 8085821 is a prime.

It is a super-3 number, since 3×80858293 (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8085791 and 8085800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237802 + ... + 237835.

It is an arithmetic number, because the mean of its divisors is an integer number (2140371).

Almost surely, 28085829 is an apocalyptic number.

It is an amenable number.

8085829 is a deficient number, since it is larger than the sum of its proper divisors (475655).

8085829 is a wasteful number, since it uses less digits than its factorization.

8085829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475654.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 8085829 is about 2843.5592133803. The cubic root of 8085829 is about 200.7126989510.

The spelling of 8085829 in words is "eight million, eighty-five thousand, eight hundred twenty-nine".

Divisors: 1 17 475637 8085829