Base | Representation |
---|---|
bin | 110000001011111… |
… | …000001011010110 |
3 | 2002100011222211111 |
4 | 300023320023112 |
5 | 3123423420204 |
6 | 212115125234 |
7 | 26014312531 |
oct | 6013701326 |
9 | 2070158744 |
10 | 808420054 |
11 | 385371a52 |
12 | 1a68a381a |
13 | cb640580 |
14 | 7951ba18 |
15 | 4ae8bd04 |
hex | 302f82d6 |
808420054 has 32 divisors (see below), whose sum is σ = 1365122304. Its totient is φ = 356257440.
The previous prime is 808420049. The next prime is 808420061. The reversal of 808420054 is 450024808.
It is a junction number, because it is equal to n+sod(n) for n = 808419998 and 808420025.
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, 527269 + ... + 528799.
It is an arithmetic number, because the mean of its divisors is an integer number (42660072).
Almost surely, 2808420054 is an apocalyptic number.
808420054 is a deficient number, since it is larger than the sum of its proper divisors (556702250).
808420054 is a wasteful number, since it uses less digits than its factorization.
808420054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2452.
The product of its (nonzero) digits is 10240, while the sum is 31.
The square root of 808420054 is about 28432.7285711379. The cubic root of 808420054 is about 931.5632758662.
The spelling of 808420054 in words is "eight hundred eight million, four hundred twenty thousand, fifty-four".
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