Base | Representation |
---|---|
bin | 1001111111000… |
… | …00000111110001 |
3 | 12211121012221202 |
4 | 10333200013301 |
5 | 132420134010 |
6 | 12151100545 |
7 | 2034624101 |
oct | 477400761 |
9 | 184535852 |
10 | 83755505 |
11 | 43306829 |
12 | 24071755 |
13 | 14476892 |
14 | b1a3201 |
15 | 75466a5 |
hex | 4fe01f1 |
83755505 has 16 divisors (see below), whose sum is σ = 102757248. Its totient is φ = 65520000.
The previous prime is 83755499. The next prime is 83755519. The reversal of 83755505 is 50555738.
It is not a de Polignac number, because 83755505 - 210 = 83754481 is a prime.
It is a Duffinian number.
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, 45605 + ... + 47405.
It is an arithmetic number, because the mean of its divisors is an integer number (6422328).
Almost surely, 283755505 is an apocalyptic number.
It is an amenable number.
83755505 is a deficient number, since it is larger than the sum of its proper divisors (19001743).
83755505 is a wasteful number, since it uses less digits than its factorization.
83755505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2008.
The product of its (nonzero) digits is 105000, while the sum is 38.
The square root of 83755505 is about 9151.8033741990. The cubic root of 83755505 is about 437.5265921251.
The spelling of 83755505 in words is "eighty-three million, seven hundred fifty-five thousand, five hundred five".
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