Base | Representation |
---|---|
bin | 110000000110111… |
… | …010110101100101 |
3 | 2002020201221210211 |
4 | 300012322311211 |
5 | 3123110321404 |
6 | 212031215421 |
7 | 26000260126 |
oct | 6006726545 |
9 | 2066657724 |
10 | 807120229 |
11 | 384664413 |
12 | 1a6377571 |
13 | cb2a6a46 |
14 | 792a004d |
15 | 4acd1b04 |
hex | 301bad65 |
807120229 has 4 divisors (see below), whose sum is σ = 811217484. Its totient is φ = 803022976.
The previous prime is 807120187. The next prime is 807120239. The reversal of 807120229 is 922021708.
807120229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 749390625 + 57729604 = 27375^2 + 7598^2 .
It is a cyclic number.
It is not a de Polignac number, because 807120229 - 221 = 805023077 is a prime.
It is a super-2 number, since 2×8071202292 = 1302886128122024882, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 807120229.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (807120239) 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, 2048332 + ... + 2048725.
It is an arithmetic number, because the mean of its divisors is an integer number (202804371).
Almost surely, 2807120229 is an apocalyptic number.
It is an amenable number.
807120229 is a deficient number, since it is larger than the sum of its proper divisors (4097255).
807120229 is a wasteful number, since it uses less digits than its factorization.
807120229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4097254.
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 807120229 is about 28409.8614744951. The cubic root of 807120229 is about 931.0637340837.
The spelling of 807120229 in words is "eight hundred seven million, one hundred twenty thousand, two hundred twenty-nine".
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