Base | Representation |
---|---|
bin | 1001111100110… |
… | …10000011001010 |
3 | 12211001122020120 |
4 | 10332122003022 |
5 | 132331442430 |
6 | 12141004110 |
7 | 2032320240 |
oct | 476320312 |
9 | 184048216 |
10 | 83468490 |
11 | 43130126 |
12 | 23b53636 |
13 | 143a6051 |
14 | b12a790 |
15 | 74db610 |
hex | 4f9a0ca |
83468490 has 32 divisors (see below), whose sum is σ = 228942720. Its totient is φ = 19078464.
The previous prime is 83468479. The next prime is 83468491. The reversal of 83468490 is 9486438.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (83468491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198525 + ... + 198944.
It is an arithmetic number, because the mean of its divisors is an integer number (7154460).
Almost surely, 283468490 is an apocalyptic number.
83468490 is an abundant number, since it is smaller than the sum of its proper divisors (145474230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83468490 is a wasteful number, since it uses less digits than its factorization.
83468490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 397486.
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 83468490 is about 9136.1091280698. The cubic root of 83468490 is about 437.0262452666.
It can be divided in two parts, 8346 and 8490, that added together give a triangular number (16836 = T183).
The spelling of 83468490 in words is "eighty-three million, four hundred sixty-eight thousand, four hundred ninety".
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