Base | Representation |
---|---|
bin | 110000001001100… |
… | …011111110111111 |
3 | 2002022001011012001 |
4 | 300021203332333 |
5 | 3123300004210 |
6 | 212054123131 |
7 | 26006204050 |
oct | 6011437677 |
9 | 2068034161 |
10 | 807813055 |
11 | 384a979a5 |
12 | 1a66504a7 |
13 | cb48a1ba |
14 | 79400727 |
15 | 4adbc03a |
hex | 30263fbf |
807813055 has 16 divisors (see below), whose sum is σ = 1173026880. Its totient is φ = 521344512.
The previous prime is 807813047. The next prime is 807813077. The reversal of 807813055 is 550318708.
It is a cyclic number.
It is not a de Polignac number, because 807813055 - 23 = 807813047 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678240 + ... + 679429.
It is an arithmetic number, because the mean of its divisors is an integer number (73314180).
Almost surely, 2807813055 is an apocalyptic number.
807813055 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
807813055 is a deficient number, since it is larger than the sum of its proper divisors (365213825).
807813055 is a wasteful number, since it uses less digits than its factorization.
807813055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1357698.
The product of its (nonzero) digits is 33600, while the sum is 37.
The square root of 807813055 is about 28422.0522658023. The cubic root of 807813055 is about 931.3300639540.
The spelling of 807813055 in words is "eight hundred seven million, eight hundred thirteen thousand, fifty-five".
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