Base | Representation |
---|---|
bin | 1001111100111… |
… | …11001111011100 |
3 | 12211002201102012 |
4 | 10332133033130 |
5 | 132333133011 |
6 | 12141250352 |
7 | 2032436240 |
oct | 476371734 |
9 | 184081365 |
10 | 83489756 |
11 | 431450a9 |
12 | 23b639b8 |
13 | 143b292c |
14 | b134420 |
15 | 74e2a8b |
hex | 4f9f3dc |
83489756 has 12 divisors (see below), whose sum is σ = 166979568. Its totient is φ = 35781312.
The previous prime is 83489699. The next prime is 83489759. The reversal of 83489756 is 65798438.
83489756 is an admirable number.
It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83489759) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490861 + ... + 1490916.
It is an arithmetic number, because the mean of its divisors is an integer number (13914964).
Almost surely, 283489756 is an apocalyptic number.
It is an amenable number.
83489756 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83489756 is a wasteful number, since it uses less digits than its factorization.
83489756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2981788 (or 2981786 counting only the distinct ones).
The product of its digits is 1451520, while the sum is 50.
The square root of 83489756 is about 9137.2728973146. The cubic root of 83489756 is about 437.0633571194.
The spelling of 83489756 in words is "eighty-three million, four hundred eighty-nine thousand, seven hundred fifty-six".
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