Base | Representation |
---|---|
bin | 1010001110001… |
… | …10110010001000 |
3 | 12222100111100011 |
4 | 11013012302020 |
5 | 133422430442 |
6 | 12301521304 |
7 | 2060565466 |
oct | 507066210 |
9 | 188314304 |
10 | 85748872 |
11 | 44448440 |
12 | 24873234 |
13 | 149c3ca1 |
14 | b561836 |
15 | 77dc117 |
hex | 51c6c88 |
85748872 has 16 divisors (see below), whose sum is σ = 175395600. Its totient is φ = 38976720.
The previous prime is 85748863. The next prime is 85748903. The reversal of 85748872 is 27884758.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487122 + ... + 487297.
It is an arithmetic number, because the mean of its divisors is an integer number (10962225).
Almost surely, 285748872 is an apocalyptic number.
It is an amenable number.
85748872 is an abundant number, since it is smaller than the sum of its proper divisors (89646728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85748872 is a wasteful number, since it uses less digits than its factorization.
85748872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 974436 (or 974432 counting only the distinct ones).
The product of its digits is 1003520, while the sum is 49.
The square root of 85748872 is about 9260.0686822507. The cubic root of 85748872 is about 440.9704338616.
It can be divided in two parts, 857 and 48872, that added together give a square (49729 = 2232).
The spelling of 85748872 in words is "eighty-five million, seven hundred forty-eight thousand, eight hundred seventy-two".
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