Base | Representation |
---|---|
bin | 1010001110101… |
… | …01111011100010 |
3 | 12222110122110000 |
4 | 11013111323202 |
5 | 133431422124 |
6 | 12303120430 |
7 | 2061244410 |
oct | 507257342 |
9 | 188418400 |
10 | 85810914 |
11 | 44490012 |
12 | 248a3116 |
13 | 14a162b7 |
14 | b57a2b0 |
15 | 78006c9 |
hex | 51d5ee2 |
85810914 has 80 divisors (see below), whose sum is σ = 226930176. Its totient is φ = 23716800.
The previous prime is 85810903. The next prime is 85810927. The reversal of 85810914 is 41901858.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33934 + ... + 36374.
Almost surely, 285810914 is an apocalyptic number.
85810914 is the 5859-th heptagonal number.
It is a practical number, because each smaller number is the sum of distinct divisors of 85810914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113465088).
85810914 is an abundant number, since it is smaller than the sum of its proper divisors (141119262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85810914 is a wasteful number, since it uses less digits than its factorization.
85810914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2493 (or 2484 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 36.
The square root of 85810914 is about 9263.4180516697. The cubic root of 85810914 is about 441.0767602050.
The spelling of 85810914 in words is "eighty-five million, eight hundred ten thousand, nine hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •