Base | Representation |
---|---|
bin | 11110101110110010110110 |
3 | 120011021202000 |
4 | 132232302312 |
5 | 4030242430 |
6 | 444400130 |
7 | 125321565 |
oct | 36566266 |
9 | 16137660 |
10 | 8055990 |
11 | 4602648 |
12 | 2846046 |
13 | 1890a77 |
14 | 10d9bdc |
15 | a91e60 |
hex | 7aecb6 |
8055990 has 32 divisors (see below), whose sum is σ = 21483360. Its totient is φ = 2148192.
The previous prime is 8055979. The next prime is 8056021. The reversal of 8055990 is 995508.
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, 14649 + ... + 15188.
It is an arithmetic number, because the mean of its divisors is an integer number (671355).
Almost surely, 28055990 is an apocalyptic number.
8055990 is an abundant number, since it is smaller than the sum of its proper divisors (13427370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8055990 is a wasteful number, since it uses less digits than its factorization.
8055990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29853 (or 29847 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 36.
The square root of 8055990 is about 2838.3075943245. The cubic root of 8055990 is about 200.4654990460.
It can be divided in two parts, 8055 and 990, that added together give a triangular number (9045 = T134).
The spelling of 8055990 in words is "eight million, fifty-five thousand, nine hundred ninety".
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