Base | Representation |
---|---|
bin | 1010000011110… |
… | …00101011011110 |
3 | 12212202222010100 |
4 | 11001320223132 |
5 | 133100133012 |
6 | 12212321530 |
7 | 2043135642 |
oct | 501705336 |
9 | 185688110 |
10 | 84380382 |
11 | 436a3259 |
12 | 243132a6 |
13 | 14635128 |
14 | b2c6c22 |
15 | 761b8dc |
hex | 5078ade |
84380382 has 12 divisors (see below), whose sum is σ = 182824200. Its totient is φ = 28126788.
The previous prime is 84380371. The next prime is 84380383. The reversal of 84380382 is 28308348.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84380383) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2343882 + ... + 2343917.
It is an arithmetic number, because the mean of its divisors is an integer number (15235350).
Almost surely, 284380382 is an apocalyptic number.
84380382 is an abundant number, since it is smaller than the sum of its proper divisors (98443818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
84380382 is a wasteful number, since it uses less digits than its factorization.
84380382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4687807 (or 4687804 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
The square root of 84380382 is about 9185.8794897386. The cubic root of 84380382 is about 438.6119862009.
It can be divided in two parts, 843 and 80382, that added together give a square (81225 = 2852).
The spelling of 84380382 in words is "eighty-four million, three hundred eighty thousand, three hundred eighty-two".
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