Base | Representation |
---|---|
bin | 1010000001110… |
… | …11101110111110 |
3 | 12212022021200201 |
4 | 11000323232332 |
5 | 133014141000 |
6 | 12203114114 |
7 | 2041046104 |
oct | 500735676 |
9 | 185267621 |
10 | 84130750 |
11 | 43542750 |
12 | 2421293a |
13 | 14578612 |
14 | b25dc74 |
15 | 75bc96a |
hex | 503bbbe |
84130750 has 32 divisors (see below), whose sum is σ = 171815904. Its totient is φ = 30592000.
The previous prime is 84130733. The next prime is 84130751. The reversal of 84130750 is 5703148.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84130751) 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, 12547 + ... + 18046.
It is an arithmetic number, because the mean of its divisors is an integer number (5369247).
Almost surely, 284130750 is an apocalyptic number.
84130750 is an abundant number, since it is smaller than the sum of its proper divisors (87685154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
84130750 is a wasteful number, since it uses less digits than its factorization.
84130750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30621 (or 30611 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 84130750 is about 9172.2816136444. The cubic root of 84130750 is about 438.1790271950.
Adding to 84130750 its reverse (5703148), we get a palindrome (89833898).
The spelling of 84130750 in words is "eighty-four million, one hundred thirty thousand, seven hundred fifty".
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