Base | Representation |
---|---|
bin | 100100011001… |
… | …1100101110010 |
3 | 1022220122122010 |
4 | 1020303211302 |
5 | 14341220212 |
6 | 1521023350 |
7 | 321140250 |
oct | 110634562 |
9 | 38818563 |
10 | 19085682 |
11 | a8563a0 |
12 | 6484b56 |
13 | 3c53205 |
14 | 276b5d0 |
15 | 1a2003c |
hex | 1233972 |
19085682 has 64 divisors (see below), whose sum is σ = 48153600. Its totient is φ = 4898880.
The previous prime is 19085681. The next prime is 19085701. The reversal of 19085682 is 28658091.
It is a self number, because there is not a number n which added to its sum of digits gives 19085682.
It is not an unprimeable number, because it can be changed into a prime (19085681) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50169 + ... + 50547.
It is an arithmetic number, because the mean of its divisors is an integer number (752400).
Almost surely, 219085682 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19085682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24076800).
19085682 is an abundant number, since it is smaller than the sum of its proper divisors (29067918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19085682 is a wasteful number, since it uses less digits than its factorization.
19085682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511.
The product of its (nonzero) digits is 34560, while the sum is 39.
The square root of 19085682 is about 4368.7162874236. The cubic root of 19085682 is about 267.2406756924.
The spelling of 19085682 in words is "nineteen million, eighty-five thousand, six hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.134 sec. • engine limits •