Base | Representation |
---|---|
bin | 1001101001100… |
… | …01011100011001 |
3 | 12122022022202012 |
4 | 10310301130121 |
5 | 131210132443 |
6 | 12010515305 |
7 | 2002001024 |
oct | 464613431 |
9 | 178268665 |
10 | 80942873 |
11 | 41765640 |
12 | 23135b35 |
13 | 13a005bb |
14 | aa701bb |
15 | 718d118 |
hex | 4d31719 |
80942873 has 8 divisors (see below), whose sum is σ = 88418496. Its totient is φ = 73486800.
The previous prime is 80942861. The next prime is 80942887. The reversal of 80942873 is 37824908.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80942873 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80942873.
It is not an unprimeable number, because it can be changed into a prime (80942803) 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 7 ways as a sum of consecutive naturals, for example, 4583 + ... + 13523.
It is an arithmetic number, because the mean of its divisors is an integer number (11052312).
Almost surely, 280942873 is an apocalyptic number.
It is an amenable number.
80942873 is a deficient number, since it is larger than the sum of its proper divisors (7475623).
80942873 is a wasteful number, since it uses less digits than its factorization.
80942873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9775.
The product of its (nonzero) digits is 96768, while the sum is 41.
The square root of 80942873 is about 8996.8257179963. The cubic root of 80942873 is about 432.5731294030.
The spelling of 80942873 in words is "eighty million, nine hundred forty-two thousand, eight hundred seventy-three".
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