Base | Representation |
---|---|
bin | 1001100110000… |
… | …10010001010010 |
3 | 12121110012002202 |
4 | 10303002101102 |
5 | 131101100011 |
6 | 11553043202 |
7 | 1665063311 |
oct | 463022122 |
9 | 177405082 |
10 | 80487506 |
11 | 41484500 |
12 | 22b56502 |
13 | 138a1258 |
14 | a992278 |
15 | 70ed23b |
hex | 4cc2452 |
80487506 has 48 divisors (see below), whose sum is σ = 139187160. Its totient is φ = 34848000.
The previous prime is 80487481. The next prime is 80487541. The reversal of 80487506 is 60578408.
It can be written as a sum of positive squares in 4 ways, for example, as 80371225 + 116281 = 8965^2 + 341^2 .
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 80487506.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 796856 + ... + 796956.
Almost surely, 280487506 is an apocalyptic number.
80487506 is a deficient number, since it is larger than the sum of its proper divisors (58699654).
80487506 is a wasteful number, since it uses less digits than its factorization.
80487506 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251 (or 240 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 38.
The square root of 80487506 is about 8971.4829320464. The cubic root of 80487506 is about 431.7604159928.
The spelling of 80487506 in words is "eighty million, four hundred eighty-seven thousand, five hundred six".
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