Base | Representation |
---|---|
bin | 1010001110001… |
… | …10101001101010 |
3 | 12222100110121002 |
4 | 11013012221222 |
5 | 133422421310 |
6 | 12301515002 |
7 | 2060564063 |
oct | 507065152 |
9 | 188313532 |
10 | 85748330 |
11 | 44447a98 |
12 | 24872a62 |
13 | 149c3975 |
14 | b56156a |
15 | 77dbda5 |
hex | 51c6a6a |
85748330 has 24 divisors (see below), whose sum is σ = 162904932. Its totient is φ = 32492736.
The previous prime is 85748309. The next prime is 85748353. The reversal of 85748330 is 3384758.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 85618009 + 130321 = 9253^2 + 361^2 .
It is a Harshad number since it is a multiple of its sum of digits (38).
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 11 ways as a sum of consecutive naturals, for example, 8267 + ... + 15486.
Almost surely, 285748330 is an apocalyptic number.
85748330 is a deficient number, since it is larger than the sum of its proper divisors (77156602).
85748330 is a wasteful number, since it uses less digits than its factorization.
85748330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23798 (or 23779 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 38.
The square root of 85748330 is about 9260.0394167628. The cubic root of 85748330 is about 440.9695047669.
The spelling of 85748330 in words is "eighty-five million, seven hundred forty-eight thousand, three hundred thirty".
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