Base | Representation |
---|---|
bin | 1001100110011… |
… | …01111000110010 |
3 | 12121112121101010 |
4 | 10303031320302 |
5 | 131104110330 |
6 | 11554051350 |
7 | 1665352116 |
oct | 463157062 |
9 | 177477333 |
10 | 80535090 |
11 | 41507229 |
12 | 22b79b56 |
13 | 138b9acc |
14 | a9a5746 |
15 | 710c3b0 |
hex | 4ccde32 |
80535090 has 32 divisors (see below), whose sum is σ = 196934976. Its totient is φ = 21070400.
The previous prime is 80535089. The next prime is 80535127. The reversal of 80535090 is 9053508.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23736 + ... + 26915.
It is an arithmetic number, because the mean of its divisors is an integer number (6154218).
Almost surely, 280535090 is an apocalyptic number.
80535090 is an abundant number, since it is smaller than the sum of its proper divisors (116399886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80535090 is a wasteful number, since it uses less digits than its factorization.
80535090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50714.
The product of its (nonzero) digits is 5400, while the sum is 30.
The square root of 80535090 is about 8974.1344986578. The cubic root of 80535090 is about 431.8454844350.
Adding to 80535090 its reverse (9053508), we get a palindrome (89588598).
The spelling of 80535090 in words is "eighty million, five hundred thirty-five thousand, ninety".
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