Base | Representation |
---|---|
bin | 100110100011… |
… | …1001110101100 |
3 | 1102001000100121 |
4 | 1031013032230 |
5 | 20133332300 |
6 | 2001134324 |
7 | 333551662 |
oct | 115071654 |
9 | 42030317 |
10 | 20214700 |
11 | 10457670 |
12 | 692a3a4 |
13 | 425a07c |
14 | 2982c32 |
15 | 1b9481a |
hex | 13473ac |
20214700 has 144 divisors (see below), whose sum is σ = 53996544. Its totient is φ = 6476800.
The previous prime is 20214673. The next prime is 20214707. The reversal of 20214700 is 741202.
It is not an unprimeable number, because it can be changed into a prime (20214707) 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 47 ways as a sum of consecutive naturals, for example, 430077 + ... + 430123.
It is an arithmetic number, because the mean of its divisors is an integer number (374976).
Almost surely, 220214700 is an apocalyptic number.
20214700 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 20214700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26998272).
20214700 is an abundant number, since it is smaller than the sum of its proper divisors (33781844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20214700 is a wasteful number, since it uses less digits than its factorization.
20214700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112 (or 105 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 16.
The square root of 20214700 is about 4496.0760669722. The cubic root of 20214700 is about 272.4096156769.
Adding to 20214700 its reverse (741202), we get a palindrome (20955902).
The spelling of 20214700 in words is "twenty million, two hundred fourteen thousand, seven hundred".
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