Base | Representation |
---|---|
bin | 1010001100000… |
… | …10011101000001 |
3 | 12221211021102021 |
4 | 11012002131001 |
5 | 133340001433 |
6 | 12251521441 |
7 | 2055321511 |
oct | 506023501 |
9 | 187737367 |
10 | 85468993 |
11 | 44277135 |
12 | 24759281 |
13 | 1492678c |
14 | b4cb841 |
15 | 778422d |
hex | 5182741 |
85468993 has 12 divisors (see below), whose sum is σ = 89119888. Its totient is φ = 81922680.
The previous prime is 85468949. The next prime is 85469039. The reversal of 85468993 is 39986458.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-85468993 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 85468993.
It is not an unprimeable number, because it can be changed into a prime (85468193) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149398 + ... + 149968.
Almost surely, 285468993 is an apocalyptic number.
It is an amenable number.
85468993 is a deficient number, since it is larger than the sum of its proper divisors (3650895).
85468993 is an equidigital number, since it uses as much as digits as its factorization.
85468993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 732 (or 673 counting only the distinct ones).
The product of its digits is 1866240, while the sum is 52.
The square root of 85468993 is about 9244.9441858780. The cubic root of 85468993 is about 440.4901442212.
The spelling of 85468993 in words is "eighty-five million, four hundred sixty-eight thousand, nine hundred ninety-three".
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