Base | Representation |
---|---|
bin | 1010001011111… |
… | …11110101001010 |
3 | 12221210201200101 |
4 | 11011333311022 |
5 | 133334131000 |
6 | 12251400014 |
7 | 2055245263 |
oct | 505776512 |
9 | 187721611 |
10 | 85458250 |
11 | 4426a059 |
12 | 2475300a |
13 | 14921917 |
14 | b4c796a |
15 | 7780e6a |
hex | 517fd4a |
85458250 has 32 divisors (see below), whose sum is σ = 162040320. Its totient is φ = 33742800.
The previous prime is 85458239. The next prime is 85458251. The reversal of 85458250 is 5285458.
It is a super-3 number, since 3×854582503 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (85458251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17587 + ... + 21913.
It is an arithmetic number, because the mean of its divisors is an integer number (5063760).
Almost surely, 285458250 is an apocalyptic number.
85458250 is a deficient number, since it is larger than the sum of its proper divisors (76582070).
85458250 is a wasteful number, since it uses less digits than its factorization.
85458250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4423 (or 4413 counting only the distinct ones).
The product of its (nonzero) digits is 64000, while the sum is 37.
The square root of 85458250 is about 9244.3631473455. The cubic root of 85458250 is about 440.4716876880.
The spelling of 85458250 in words is "eighty-five million, four hundred fifty-eight thousand, two hundred fifty".
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