Base | Representation |
---|---|
bin | 100110011000… |
… | …0001010010110 |
3 | 1101212012202010 |
4 | 1030300022112 |
5 | 20122321324 |
6 | 1555125050 |
7 | 333006342 |
oct | 114601226 |
9 | 41765663 |
10 | 20120214 |
11 | 103a2684 |
12 | 68a3786 |
13 | 422606a |
14 | 295a622 |
15 | 1b76829 |
hex | 1330296 |
20120214 has 16 divisors (see below), whose sum is σ = 42607728. Its totient is φ = 6312192.
The previous prime is 20120213. The next prime is 20120237. The reversal of 20120214 is 41202102.
It is a super-2 number, since 2×201202142 = 809646022811592, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20120214.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98527 + ... + 98730.
It is an arithmetic number, because the mean of its divisors is an integer number (2662983).
Almost surely, 220120214 is an apocalyptic number.
20120214 is an abundant number, since it is smaller than the sum of its proper divisors (22487514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20120214 is a wasteful number, since it uses less digits than its factorization.
20120214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197279.
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 20120214 is about 4485.5561528087. The cubic root of 20120214 is about 271.9845273061.
Adding to 20120214 its reverse (41202102), we get a palindrome (61322316).
The spelling of 20120214 in words is "twenty million, one hundred twenty thousand, two hundred fourteen".
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