Base | Representation |
---|---|
bin | 1001111111111… |
… | …00110100111111 |
3 | 12211211012020122 |
4 | 10333330310333 |
5 | 132432414322 |
6 | 12153405155 |
7 | 2035623644 |
oct | 477746477 |
9 | 184735218 |
10 | 83873087 |
11 | 43387101 |
12 | 241097bb |
13 | 144b825c |
14 | b1d3dcb |
15 | 756b442 |
hex | 4ffcd3f |
83873087 has 16 divisors (see below), whose sum is σ = 94479840. Its totient is φ = 73986048.
The previous prime is 83873071. The next prime is 83873093. The reversal of 83873087 is 78037838.
It is a cyclic number.
It is not a de Polignac number, because 83873087 - 24 = 83873071 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83873057) 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, 29993 + ... + 32669.
It is an arithmetic number, because the mean of its divisors is an integer number (5904990).
Almost surely, 283873087 is an apocalyptic number.
83873087 is a deficient number, since it is larger than the sum of its proper divisors (10606753).
83873087 is a wasteful number, since it uses less digits than its factorization.
83873087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2810.
The product of its (nonzero) digits is 225792, while the sum is 44.
The square root of 83873087 is about 9158.2251009680. The cubic root of 83873087 is about 437.7312401513.
The spelling of 83873087 in words is "eighty-three million, eight hundred seventy-three thousand, eighty-seven".
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