Base | Representation |
---|---|
bin | 1010001110111… |
… | …01011111001100 |
3 | 12222112012220110 |
4 | 11013131133030 |
5 | 133433414433 |
6 | 12303520020 |
7 | 2061433560 |
oct | 507353714 |
9 | 188465813 |
10 | 85841868 |
11 | 445012a2 |
12 | 248b9010 |
13 | 14a27408 |
14 | b5876a0 |
15 | 7809963 |
hex | 51dd7cc |
85841868 has 48 divisors (see below), whose sum is σ = 232064000. Its totient is φ = 24188544.
The previous prime is 85841863. The next prime is 85841879. The reversal of 85841868 is 86814858.
It is not an unprimeable number, because it can be changed into a prime (85841863) 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, 868 + ... + 13131.
Almost surely, 285841868 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 85841868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116032000).
85841868 is an abundant number, since it is smaller than the sum of its proper divisors (146222132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85841868 is a wasteful number, since it uses less digits than its factorization.
85841868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14086 (or 14084 counting only the distinct ones).
The product of its digits is 491520, while the sum is 48.
The square root of 85841868 is about 9265.0886666022. The cubic root of 85841868 is about 441.1297893907.
The spelling of 85841868 in words is "eighty-five million, eight hundred forty-one thousand, eight hundred sixty-eight".
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