Base | Representation |
---|---|
bin | 100110011011… |
… | …1011100010010 |
3 | 1101220201122120 |
4 | 1030313130102 |
5 | 20124300114 |
6 | 1555515110 |
7 | 333162312 |
oct | 114673422 |
9 | 41821576 |
10 | 20150034 |
11 | 10413023 |
12 | 68b8a96 |
13 | 42367c8 |
14 | 2967442 |
15 | 1b805a9 |
hex | 1337712 |
20150034 has 16 divisors (see below), whose sum is σ = 40983840. Its totient is φ = 6602720.
The previous prime is 20150033. The next prime is 20150059. The reversal of 20150034 is 43005102.
It is a junction number, because it is equal to n+sod(n) for n = 20149995 and 20150022.
It is not an unprimeable number, because it can be changed into a prime (20150033) by changing a digit.
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, 28107 + ... + 28814.
It is an arithmetic number, because the mean of its divisors is an integer number (2561490).
Almost surely, 220150034 is an apocalyptic number.
20150034 is an abundant number, since it is smaller than the sum of its proper divisors (20833806).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20150034 is a wasteful number, since it uses less digits than its factorization.
20150034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56985.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 20150034 is about 4488.8789246314. The cubic root of 20150034 is about 272.1188296389.
Adding to 20150034 its reverse (43005102), we get a palindrome (63155136).
The spelling of 20150034 in words is "twenty million, one hundred fifty thousand, thirty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •