Base | Representation |
---|---|
bin | 1010001110101… |
… | …10110111010000 |
3 | 12222110211200120 |
4 | 11013112313100 |
5 | 133432032421 |
6 | 12303150240 |
7 | 2061261510 |
oct | 507266720 |
9 | 188424616 |
10 | 85814736 |
11 | 44492977 |
12 | 248a5380 |
13 | 14a17c67 |
14 | b57b840 |
15 | 78018c6 |
hex | 51d6dd0 |
85814736 has 80 divisors (see below), whose sum is σ = 256066944. Its totient is φ = 24256512.
The previous prime is 85814731. The next prime is 85814761. The reversal of 85814736 is 63741858.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85814731) 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, 31276 + ... + 33908.
Almost surely, 285814736 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 85814736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128033472).
85814736 is an abundant number, since it is smaller than the sum of its proper divisors (170252208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85814736 is a wasteful number, since it uses less digits than its factorization.
85814736 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2748 (or 2742 counting only the distinct ones).
The product of its digits is 161280, while the sum is 42.
The square root of 85814736 is about 9263.6243447152. The cubic root of 85814736 is about 441.0833085963.
The spelling of 85814736 in words is "eighty-five million, eight hundred fourteen thousand, seven hundred thirty-six".
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