Base | Representation |
---|---|
bin | 1010000000111… |
… | …00000111001110 |
3 | 12212001201000200 |
4 | 11000130013032 |
5 | 133001014410 |
6 | 12200234330 |
7 | 2036666355 |
oct | 500340716 |
9 | 185051020 |
10 | 84001230 |
11 | 43464405 |
12 | 2416b9a6 |
13 | 14531691 |
14 | b22899c |
15 | 75943c0 |
hex | 501c1ce |
84001230 has 48 divisors (see below), whose sum is σ = 219046464. Its totient is φ = 22334400.
The previous prime is 84001219. The next prime is 84001241. The reversal of 84001230 is 3210048.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (84001219) and next prime (84001241).
It is a Harshad number since it is a multiple of its sum of digits (18).
84001230 is a modest number, since divided by 1230 gives 840 as remainder.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34555 + ... + 36905.
It is an arithmetic number, because the mean of its divisors is an integer number (4563468).
Almost surely, 284001230 is an apocalyptic number.
84001230 is an abundant number, since it is smaller than the sum of its proper divisors (135045234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
84001230 is a wasteful number, since it uses less digits than its factorization.
84001230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2761 (or 2758 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 84001230 is about 9165.2184916673. The cubic root of 84001230 is about 437.9540516008.
Adding to 84001230 its reverse (3210048), we get a palindrome (87211278).
The spelling of 84001230 in words is "eighty-four million, one thousand, two hundred thirty".
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