Base | Representation |
---|---|
bin | 1001111010100… |
… | …10010000101101 |
3 | 12210111200220000 |
4 | 10331102100231 |
5 | 132243040240 |
6 | 12130414513 |
7 | 2026654044 |
oct | 475222055 |
9 | 183450800 |
10 | 83174445 |
11 | 42a4a212 |
12 | 23a31439 |
13 | 14302263 |
14 | b09155b |
15 | 747e430 |
hex | 4f5242d |
83174445 has 40 divisors (see below), whose sum is σ = 152764920. Its totient is φ = 43269120.
The previous prime is 83174431. The next prime is 83174447. The reversal of 83174445 is 54447138.
It can be written as a sum of positive squares in 4 ways, for example, as 54756 + 83119689 = 234^2 + 9117^2 .
It is not a de Polignac number, because 83174445 - 213 = 83166253 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83174447) 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 39 ways as a sum of consecutive naturals, for example, 14101 + ... + 19109.
It is an arithmetic number, because the mean of its divisors is an integer number (3819123).
Almost surely, 283174445 is an apocalyptic number.
It is an amenable number.
83174445 is a deficient number, since it is larger than the sum of its proper divisors (69590475).
83174445 is a wasteful number, since it uses less digits than its factorization.
83174445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5067 (or 5058 counting only the distinct ones).
The product of its digits is 53760, while the sum is 36.
The square root of 83174445 is about 9120.0024671049. The cubic root of 83174445 is about 436.5124522611.
The spelling of 83174445 in words is "eighty-three million, one hundred seventy-four thousand, four hundred forty-five".
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