Base | Representation |
---|---|
bin | 1001111100111… |
… | …01111010000010 |
3 | 12211002102220202 |
4 | 10332131322002 |
5 | 132332444130 |
6 | 12141205202 |
7 | 2032414301 |
oct | 476357202 |
9 | 184072822 |
10 | 83484290 |
11 | 43140a8a |
12 | 23b60802 |
13 | 143b02b6 |
14 | b132438 |
15 | 74e1145 |
hex | 4f9de82 |
83484290 has 32 divisors (see below), whose sum is σ = 158760000. Its totient is φ = 31520448.
The previous prime is 83484283. The next prime is 83484293. The reversal of 83484290 is 9248438.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is not an unprimeable number, because it can be changed into a prime (83484293) 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, 65681 + ... + 66939.
It is an arithmetic number, because the mean of its divisors is an integer number (4961250).
Almost surely, 283484290 is an apocalyptic number.
83484290 is a deficient number, since it is larger than the sum of its proper divisors (75275710).
83484290 is a wasteful number, since it uses less digits than its factorization.
83484290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1634.
The product of its (nonzero) digits is 55296, while the sum is 38.
The square root of 83484290 is about 9136.9737878578. The cubic root of 83484290 is about 437.0538188617.
The spelling of 83484290 in words is "eighty-three million, four hundred eighty-four thousand, two hundred ninety".
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