Base | Representation |
---|---|
bin | 11001100001110… |
… | …00010001110100 |
3 | 112220221102212212 |
4 | 30300320101310 |
5 | 414304440040 |
6 | 33125432552 |
7 | 5210105633 |
oct | 1460702164 |
9 | 486842785 |
10 | 214140020 |
11 | aa970626 |
12 | 5b86b758 |
13 | 35498393 |
14 | 2062351a |
15 | 13bedd65 |
hex | cc38474 |
214140020 has 24 divisors (see below), whose sum is σ = 449971200. Its totient is φ = 85603232.
The previous prime is 214140019. The next prime is 214140023. The reversal of 214140020 is 20041412.
It is a junction number, because it is equal to n+sod(n) for n = 214139977 and 214140004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214140023) 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, 55721 + ... + 59439.
It is an arithmetic number, because the mean of its divisors is an integer number (18748800).
Almost surely, 2214140020 is an apocalyptic number.
214140020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
214140020 is an abundant number, since it is smaller than the sum of its proper divisors (235831180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214140020 is a wasteful number, since it uses less digits than its factorization.
214140020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6607 (or 6605 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 214140020 is about 14633.5238408252. The cubic root of 214140020 is about 598.2728292021.
Adding to 214140020 its reverse (20041412), we get a palindrome (234181432).
The spelling of 214140020 in words is "two hundred fourteen million, one hundred forty thousand, twenty".
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