Base | Representation |
---|---|
bin | 1001100110100… |
… | …01111001110000 |
3 | 12121120102221020 |
4 | 10303101321300 |
5 | 131110122121 |
6 | 11554255440 |
7 | 1665451062 |
oct | 463217160 |
9 | 177512836 |
10 | 80551536 |
11 | 4151861a |
12 | 22b87580 |
13 | 138c4440 |
14 | a9ab732 |
15 | 71121c6 |
hex | 4cd1e70 |
80551536 has 40 divisors (see below), whose sum is σ = 224100240. Its totient is φ = 24784896.
The previous prime is 80551529. The next prime is 80551591. The reversal of 80551536 is 63515508.
It is a junction number, because it is equal to n+sod(n) for n = 80551497 and 80551506.
It is a congruent number.
It is an unprimeable number.
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, 63921 + ... + 65168.
It is an arithmetic number, because the mean of its divisors is an integer number (5602506).
Almost surely, 280551536 is an apocalyptic number.
It is an amenable number.
80551536 is an abundant number, since it is smaller than the sum of its proper divisors (143548704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80551536 is a wasteful number, since it uses less digits than its factorization.
80551536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129113 (or 129107 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 33.
The square root of 80551536 is about 8975.0507519456. The cubic root of 80551536 is about 431.8748780300.
It can be divided in two parts, 8055 and 1536, that added together give a triangular number (9591 = T138).
The spelling of 80551536 in words is "eighty million, five hundred fifty-one thousand, five hundred thirty-six".
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