Base | Representation |
---|---|
bin | 1011111001010… |
… | …01110101010001 |
3 | 20221202122202012 |
4 | 11330221311101 |
5 | 201021123230 |
6 | 13522432305 |
7 | 2321111321 |
oct | 574516521 |
9 | 227678665 |
10 | 99786065 |
11 | 51365825 |
12 | 29502695 |
13 | 1789a312 |
14 | d377281 |
15 | 8b61395 |
hex | 5f29d51 |
99786065 has 8 divisors (see below), whose sum is σ = 119813928. Its totient is φ = 79781760.
The previous prime is 99786061. The next prime is 99786067. The reversal of 99786065 is 56068799.
It can be written as a sum of positive squares in 4 ways, for example, as 25921 + 99760144 = 161^2 + 9988^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 99786065 - 22 = 99786061 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (99786061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5405 + ... + 15125.
It is an arithmetic number, because the mean of its divisors is an integer number (14976741).
Almost surely, 299786065 is an apocalyptic number.
99786065 is the 7064-th centered square number.
It is an amenable number.
99786065 is a deficient number, since it is larger than the sum of its proper divisors (20027863).
99786065 is a wasteful number, since it uses less digits than its factorization.
99786065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11779.
The product of its (nonzero) digits is 816480, while the sum is 50.
The square root of 99786065 is about 9989.2975228491. The cubic root of 99786065 is about 463.8276476034.
The spelling of 99786065 in words is "ninety-nine million, seven hundred eighty-six thousand, sixty-five".
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