Base | Representation |
---|---|
bin | 1001100110011… |
… | …01010110001111 |
3 | 12121112111100020 |
4 | 10303031112033 |
5 | 131104023004 |
6 | 11554033223 |
7 | 1665342510 |
oct | 463152617 |
9 | 177474306 |
10 | 80532879 |
11 | 415055a9 |
12 | 22b78813 |
13 | 138b8abb |
14 | a9a4a07 |
15 | 710b8d9 |
hex | 4ccd58f |
80532879 has 8 divisors (see below), whose sum is σ = 122716800. Its totient is φ = 46018776.
The previous prime is 80532877. The next prime is 80532883. The reversal of 80532879 is 97823508.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80532879 - 21 = 80532877 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80532879.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80532877) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917429 + ... + 1917470.
It is an arithmetic number, because the mean of its divisors is an integer number (15339600).
Almost surely, 280532879 is an apocalyptic number.
80532879 is a deficient number, since it is larger than the sum of its proper divisors (42183921).
80532879 is a wasteful number, since it uses less digits than its factorization.
80532879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3834909.
The product of its (nonzero) digits is 120960, while the sum is 42.
The square root of 80532879 is about 8974.0113104453. The cubic root of 80532879 is about 431.8415324554.
The spelling of 80532879 in words is "eighty million, five hundred thirty-two thousand, eight hundred seventy-nine".
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