Base | Representation |
---|---|
bin | 100110001101… |
… | …1010001011110 |
3 | 1101200212101020 |
4 | 1030123101132 |
5 | 20112102104 |
6 | 1553225010 |
7 | 332202033 |
oct | 114332136 |
9 | 41625336 |
10 | 20034654 |
11 | 10344372 |
12 | 6862166 |
13 | 41c6133 |
14 | 293738a |
15 | 1b5b2d9 |
hex | 131b45e |
20034654 has 16 divisors (see below), whose sum is σ = 40158720. Its totient is φ = 6663320.
The previous prime is 20034647. The next prime is 20034673. The reversal of 20034654 is 45643002.
It is a super-4 number, since 4×200346544 (a number of 30 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612 + ... + 6359.
It is an arithmetic number, because the mean of its divisors is an integer number (2509920).
Almost surely, 220034654 is an apocalyptic number.
20034654 is an abundant number, since it is smaller than the sum of its proper divisors (20124066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20034654 is a wasteful number, since it uses less digits than its factorization.
20034654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7455.
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 20034654 is about 4476.0087131282. The cubic root of 20034654 is about 271.5984469116.
Adding to 20034654 its reverse (45643002), we get a palindrome (65677656).
The spelling of 20034654 in words is "twenty million, thirty-four thousand, six hundred fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •