Base | Representation |
---|---|
bin | 101111101101101… |
… | …011110011000110 |
3 | 2001210021212110110 |
4 | 233231223303012 |
5 | 3114412130110 |
6 | 211233333450 |
7 | 25560115623 |
oct | 5755536306 |
9 | 2053255413 |
10 | 800505030 |
11 | 380956306 |
12 | 1a4107286 |
13 | c9acba20 |
14 | 7845b34a |
15 | 4a426a20 |
hex | 2fb6bcc6 |
800505030 has 32 divisors (see below), whose sum is σ = 2068998624. Its totient is φ = 197047296.
The previous prime is 800505029. The next prime is 800505089. The reversal of 800505030 is 30505008.
It is a junction number, because it is equal to n+sod(n) for n = 800504988 and 800505006.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1025899 + ... + 1026678.
It is an arithmetic number, because the mean of its divisors is an integer number (64656207).
Almost surely, 2800505030 is an apocalyptic number.
800505030 is an abundant number, since it is smaller than the sum of its proper divisors (1268493594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
800505030 is a wasteful number, since it uses less digits than its factorization.
800505030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2052600.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 800505030 is about 28293.1975923542. The cubic root of 800505030 is about 928.5130707647.
The spelling of 800505030 in words is "eight hundred million, five hundred five thousand, thirty".
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