Base | Representation |
---|---|
bin | 100110010111… |
… | …0110001000100 |
3 | 1101211220220111 |
4 | 1030232301010 |
5 | 20122131000 |
6 | 1555042404 |
7 | 332653600 |
oct | 114566104 |
9 | 41756814 |
10 | 20114500 |
11 | 1039935a |
12 | 68a0404 |
13 | 4223593 |
14 | 2958500 |
15 | 1b74cba |
hex | 132ec44 |
20114500 has 72 divisors (see below), whose sum is σ = 51164568. Its totient is φ = 6888000.
The previous prime is 20114491. The next prime is 20114527. The reversal of 20114500 is 541102.
It can be written as a sum of positive squares in 4 ways, for example, as 2119936 + 17994564 = 1456^2 + 4242^2 .
It is a super-2 number, since 2×201145002 = 809186220500000, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24090 + ... + 24910.
It is an arithmetic number, because the mean of its divisors is an integer number (710619).
Almost surely, 220114500 is an apocalyptic number.
20114500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20114500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25582284).
20114500 is an abundant number, since it is smaller than the sum of its proper divisors (31050068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20114500 is a wasteful number, since it uses less digits than its factorization.
20114500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 854 (or 835 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 13.
The square root of 20114500 is about 4484.9191742996. The cubic root of 20114500 is about 271.9587776341.
Adding to 20114500 its reverse (541102), we get a palindrome (20655602).
The spelling of 20114500 in words is "twenty million, one hundred fourteen thousand, five hundred".
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