Base | Representation |
---|---|
bin | 1001101000011… |
… | …11011011100011 |
3 | 12122001020122021 |
4 | 10310033123203 |
5 | 131141203210 |
6 | 12003522311 |
7 | 2000550610 |
oct | 464173343 |
9 | 178036567 |
10 | 80803555 |
11 | 4167a9a8 |
12 | 23089397 |
13 | 13982071 |
14 | aa35507 |
15 | 7161bda |
hex | 4d0f6e3 |
80803555 has 8 divisors (see below), whose sum is σ = 110816352. Its totient is φ = 55408128.
The previous prime is 80803549. The next prime is 80803631. The reversal of 80803555 is 55530808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80803555 - 27 = 80803427 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 80803555.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154302 + ... + 1154371.
It is an arithmetic number, because the mean of its divisors is an integer number (13852044).
Almost surely, 280803555 is an apocalyptic number.
80803555 is a deficient number, since it is larger than the sum of its proper divisors (30012797).
80803555 is a wasteful number, since it uses less digits than its factorization.
80803555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2308685.
The product of its (nonzero) digits is 24000, while the sum is 34.
The square root of 80803555 is about 8989.0797638023. The cubic root of 80803555 is about 432.3248068102.
The spelling of 80803555 in words is "eighty million, eight hundred three thousand, five hundred fifty-five".
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