Base | Representation |
---|---|
bin | 111011001000010… |
… | …0011101111101101 |
3 | 12010021100021222000 |
4 | 1312100203233231 |
5 | 13030404132310 |
6 | 524513042513 |
7 | 100111110522 |
oct | 16620435755 |
9 | 5107307860 |
10 | 1984052205 |
11 | 928a44873 |
12 | 474556439 |
13 | 2580824b5 |
14 | 14b707149 |
15 | b92b24c0 |
hex | 76423bed |
1984052205 has 16 divisors (see below), whose sum is σ = 3527204160. Its totient is φ = 1058161104.
The previous prime is 1984052171. The next prime is 1984052209. The reversal of 1984052205 is 5022504891.
1984052205 is a `hidden beast` number, since 1 + 98 + 40 + 522 + 0 + 5 = 666.
It is not a de Polignac number, because 1984052205 - 26 = 1984052141 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1984052205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1984052209) 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, 7348207 + ... + 7348476.
It is an arithmetic number, because the mean of its divisors is an integer number (220450260).
Almost surely, 21984052205 is an apocalyptic number.
1984052205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1984052205 is a deficient number, since it is larger than the sum of its proper divisors (1543151955).
1984052205 is a wasteful number, since it uses less digits than its factorization.
1984052205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14696697 (or 14696691 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The square root of 1984052205 is about 44542.7009172098. The cubic root of 1984052205 is about 1256.5632820815.
It can be divided in two parts, 19 and 84052205, that added together give a square (84052224 = 91682).
The spelling of 1984052205 in words is "one billion, nine hundred eighty-four million, fifty-two thousand, two hundred five".
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