Base | Representation |
---|---|
bin | 1001101000111… |
… | …11111010001110 |
3 | 12122011200020020 |
4 | 10310133322032 |
5 | 131200333204 |
6 | 12005203010 |
7 | 2001251445 |
oct | 464377216 |
9 | 178150206 |
10 | 80871054 |
11 | 41716690 |
12 | 23100466 |
13 | 139a69c4 |
14 | aa51d5c |
15 | 7176bd9 |
hex | 4d1fe8e |
80871054 has 16 divisors (see below), whose sum is σ = 176446080. Its totient is φ = 24506360.
The previous prime is 80871047. The next prime is 80871083. The reversal of 80871054 is 45017808.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is a congruent number.
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, 612594 + ... + 612725.
It is an arithmetic number, because the mean of its divisors is an integer number (11027880).
Almost surely, 280871054 is an apocalyptic number.
80871054 is an abundant number, since it is smaller than the sum of its proper divisors (95575026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80871054 is a wasteful number, since it uses less digits than its factorization.
80871054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1225335.
The product of its (nonzero) digits is 8960, while the sum is 33.
The square root of 80871054 is about 8992.8334800551. The cubic root of 80871054 is about 432.4451537031.
The spelling of 80871054 in words is "eighty million, eight hundred seventy-one thousand, fifty-four".
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