Base | Representation |
---|---|
bin | 1010000010100… |
… | …11111110100111 |
3 | 12212111022220200 |
4 | 11001103332213 |
5 | 133030330210 |
6 | 12205201543 |
7 | 2041641450 |
oct | 501237647 |
9 | 185438820 |
10 | 84230055 |
11 | 43600318 |
12 | 242602b3 |
13 | 145b1890 |
14 | b288127 |
15 | 75dc0c0 |
hex | 5053fa7 |
84230055 has 96 divisors (see below), whose sum is σ = 182966784. Its totient is φ = 34898688.
The previous prime is 84230051. The next prime is 84230089. The reversal of 84230055 is 55003248.
It is not a de Polignac number, because 84230055 - 22 = 84230051 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84230051) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 274212 + ... + 274518.
It is an arithmetic number, because the mean of its divisors is an integer number (1905904).
Almost surely, 284230055 is an apocalyptic number.
84230055 is an abundant number, since it is smaller than the sum of its proper divisors (98736729).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
84230055 is a wasteful number, since it uses less digits than its factorization.
84230055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405 (or 402 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 84230055 is about 9177.6933376530. The cubic root of 84230055 is about 438.3513631481.
The spelling of 84230055 in words is "eighty-four million, two hundred thirty thousand, fifty-five".
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