Base | Representation |
---|---|
bin | 1001100101100… |
… | …00010011000101 |
3 | 12121022110010100 |
4 | 10302300103011 |
5 | 131041221033 |
6 | 11551314313 |
7 | 1664335560 |
oct | 462602305 |
9 | 177273110 |
10 | 80413893 |
11 | 4143416a |
12 | 22b1b999 |
13 | 138768b1 |
14 | a9734d7 |
15 | 70d6513 |
hex | 4cb04c5 |
80413893 has 24 divisors (see below), whose sum is σ = 140557248. Its totient is φ = 43247232.
The previous prime is 80413891. The next prime is 80413901. The reversal of 80413893 is 39831408.
It is not a de Polignac number, because 80413893 - 21 = 80413891 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80413891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36471 + ... + 38612.
It is an arithmetic number, because the mean of its divisors is an integer number (5856552).
Almost surely, 280413893 is an apocalyptic number.
It is an amenable number.
80413893 is a deficient number, since it is larger than the sum of its proper divisors (60143355).
80413893 is a wasteful number, since it uses less digits than its factorization.
80413893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75113 (or 75110 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 80413893 is about 8967.3793830751. The cubic root of 80413893 is about 431.6287480461.
The spelling of 80413893 in words is "eighty million, four hundred thirteen thousand, eight hundred ninety-three".
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