Base | Representation |
---|---|
bin | 11110011101101110000111 |
3 | 120000201210211 |
4 | 132131232013 |
5 | 4021023210 |
6 | 443100251 |
7 | 124610650 |
oct | 36355607 |
9 | 16021724 |
10 | 7986055 |
11 | 4565050 |
12 | 2811687 |
13 | 1867c9c |
14 | 10bc527 |
15 | a7b38a |
hex | 79db87 |
7986055 has 16 divisors (see below), whose sum is σ = 11948544. Its totient is φ = 4978080.
The previous prime is 7986053. The next prime is 7986071. The reversal of 7986055 is 5506897.
It is a happy number.
It is not a de Polignac number, because 7986055 - 21 = 7986053 is a prime.
It is a Duffinian number.
7986055 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 7985999 and 7986017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7986053) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9987 + ... + 10756.
It is an arithmetic number, because the mean of its divisors is an integer number (746784).
Almost surely, 27986055 is an apocalyptic number.
7986055 is a deficient number, since it is larger than the sum of its proper divisors (3962489).
7986055 is a wasteful number, since it uses less digits than its factorization.
7986055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20766.
The product of its (nonzero) digits is 75600, while the sum is 40.
The square root of 7986055 is about 2825.9608985264. The cubic root of 7986055 is about 199.8837240793.
The spelling of 7986055 in words is "seven million, nine hundred eighty-six thousand, fifty-five".
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