Base | Representation |
---|---|
bin | 1001100100100… |
… | …01110101001011 |
3 | 12121002002221100 |
4 | 10302101311023 |
5 | 131023222344 |
6 | 11544512443 |
7 | 1663306002 |
oct | 462216513 |
9 | 177062840 |
10 | 80289099 |
11 | 41359430 |
12 | 22a7b723 |
13 | 13831b57 |
14 | a93dc39 |
15 | 70ae569 |
hex | 4c91d4b |
80289099 has 24 divisors (see below), whose sum is σ = 127653552. Its totient is φ = 48222720.
The previous prime is 80289037. The next prime is 80289103. The reversal of 80289099 is 99098208.
It is not a de Polignac number, because 80289099 - 212 = 80285003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80289799) 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 23 ways as a sum of consecutive naturals, for example, 7599 + ... + 14775.
It is an arithmetic number, because the mean of its divisors is an integer number (5318898).
Almost surely, 280289099 is an apocalyptic number.
80289099 is a deficient number, since it is larger than the sum of its proper divisors (47364453).
80289099 is a wasteful number, since it uses less digits than its factorization.
80289099 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7307 (or 7304 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 45.
The square root of 80289099 is about 8960.4184612104. The cubic root of 80289099 is about 431.4053514656.
The spelling of 80289099 in words is "eighty million, two hundred eighty-nine thousand, ninety-nine".
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