Base | Representation |
---|---|
bin | 100110010111… |
… | …0101110010000 |
3 | 1101211220122211 |
4 | 1030232232100 |
5 | 20122124240 |
6 | 1555041504 |
7 | 332653222 |
oct | 114565620 |
9 | 41756584 |
10 | 20114320 |
11 | 10399206 |
12 | 68a0294 |
13 | 4223485 |
14 | 2958412 |
15 | 1b74bea |
hex | 132eb90 |
20114320 has 20 divisors (see below), whose sum is σ = 46765980. Its totient is φ = 8045696.
The previous prime is 20114317. The next prime is 20114321. The reversal of 20114320 is 2341102.
It can be written as a sum of positive squares in 2 ways, for example, as 3857296 + 16257024 = 1964^2 + 4032^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a self number, because there is not a number n which added to its sum of digits gives 20114320.
It is not an unprimeable number, because it can be changed into a prime (20114321) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125635 + ... + 125794.
It is an arithmetic number, because the mean of its divisors is an integer number (2338299).
Almost surely, 220114320 is an apocalyptic number.
20114320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20114320 is an abundant number, since it is smaller than the sum of its proper divisors (26651660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20114320 is a wasteful number, since it uses less digits than its factorization.
20114320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251442 (or 251436 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 20114320 is about 4484.8991070034. The cubic root of 20114320 is about 271.9579663997.
Adding to 20114320 its reverse (2341102), we get a palindrome (22455422).
The spelling of 20114320 in words is "twenty million, one hundred fourteen thousand, three hundred twenty".
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