Base | Representation |
---|---|
bin | 1001111100100… |
… | …00110000010111 |
3 | 12210222201000200 |
4 | 10332100300113 |
5 | 132324233143 |
6 | 12140111543 |
7 | 2032101246 |
oct | 476206027 |
9 | 183881020 |
10 | 83430423 |
11 | 4310456a |
12 | 23b355b3 |
13 | 1439191b |
14 | b11a95d |
15 | 74d01d3 |
hex | 4f90c17 |
83430423 has 6 divisors (see below), whose sum is σ = 120510624. Its totient is φ = 55620276.
The previous prime is 83430401. The next prime is 83430433. The reversal of 83430423 is 32403438.
It is not a de Polignac number, because 83430423 - 29 = 83429911 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83430433) 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 5 ways as a sum of consecutive naturals, for example, 4635015 + ... + 4635032.
It is an arithmetic number, because the mean of its divisors is an integer number (20085104).
Almost surely, 283430423 is an apocalyptic number.
83430423 is a deficient number, since it is larger than the sum of its proper divisors (37080201).
83430423 is a wasteful number, since it uses less digits than its factorization.
83430423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9270053 (or 9270050 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
The square root of 83430423 is about 9134.0255637917. The cubic root of 83430423 is about 436.9597978052.
The spelling of 83430423 in words is "eighty-three million, four hundred thirty thousand, four hundred twenty-three".
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