Base | Representation |
---|---|
bin | 110000000110000… |
… | …000011100000101 |
3 | 2002020021210200120 |
4 | 300012000130011 |
5 | 3123030143104 |
6 | 212022132153 |
7 | 25665242553 |
oct | 6006003405 |
9 | 2066253616 |
10 | 806881029 |
11 | 384510729 |
12 | 1a6281059 |
13 | cb221bc6 |
14 | 7923abd3 |
15 | 4ac85cd9 |
hex | 30180705 |
806881029 has 4 divisors (see below), whose sum is σ = 1075841376. Its totient is φ = 537920684.
The previous prime is 806881027. The next prime is 806881043. The reversal of 806881029 is 920188608.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 806881029 - 21 = 806881027 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (806881027) 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, 134480169 + ... + 134480174.
It is an arithmetic number, because the mean of its divisors is an integer number (268960344).
Almost surely, 2806881029 is an apocalyptic number.
It is an amenable number.
806881029 is a deficient number, since it is larger than the sum of its proper divisors (268960347).
806881029 is a wasteful number, since it uses less digits than its factorization.
806881029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 268960346.
The product of its (nonzero) digits is 55296, while the sum is 42.
The square root of 806881029 is about 28405.6513567283. The cubic root of 806881029 is about 930.9717476023.
The spelling of 806881029 in words is "eight hundred six million, eight hundred eighty-one thousand, twenty-nine".
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