Base | Representation |
---|---|
bin | 1001111111101… |
… | …11001011001110 |
3 | 12211210000111010 |
4 | 10333313023032 |
5 | 132431144214 |
6 | 12153110050 |
7 | 2035466310 |
oct | 477671316 |
9 | 184700433 |
10 | 83849934 |
11 | 43370773 |
12 | 240b8326 |
13 | 144aa85c |
14 | b1c97b0 |
15 | 7564659 |
hex | 4ff72ce |
83849934 has 16 divisors (see below), whose sum is σ = 191657088. Its totient is φ = 23957112.
The previous prime is 83849921. The next prime is 83849939. The reversal of 83849934 is 43994838.
It is a super-2 number, since 2×838499342 = 14061622863608712, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83849939) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998172 + ... + 998255.
It is an arithmetic number, because the mean of its divisors is an integer number (11978568).
Almost surely, 283849934 is an apocalyptic number.
83849934 is an abundant number, since it is smaller than the sum of its proper divisors (107807154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83849934 is a wasteful number, since it uses less digits than its factorization.
83849934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1996439.
The product of its digits is 746496, while the sum is 48.
The square root of 83849934 is about 9156.9609587461. The cubic root of 83849934 is about 437.6909581631.
The spelling of 83849934 in words is "eighty-three million, eight hundred forty-nine thousand, nine hundred thirty-four".
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