Base | Representation |
---|---|
bin | 100110100011… |
… | …1001000101011 |
3 | 1102000222211100 |
4 | 1031013020223 |
5 | 20133324230 |
6 | 2001132443 |
7 | 333550602 |
oct | 115071053 |
9 | 42028740 |
10 | 20214315 |
11 | 10457350 |
12 | 692a123 |
13 | 4259b44 |
14 | 2982a39 |
15 | 1b94660 |
hex | 134722b |
20214315 has 48 divisors (see below), whose sum is σ = 38709216. Its totient is φ = 9676800.
The previous prime is 20214289. The next prime is 20214319. The reversal of 20214315 is 51341202.
20214315 = T10 + T11 + ... + T494.
It is not a de Polignac number, because 20214315 - 211 = 20212267 is a prime.
20214315 is a Rhonda number in base 12.
It is not an unprimeable number, because it can be changed into a prime (20214319) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47805 + ... + 48225.
It is an arithmetic number, because the mean of its divisors is an integer number (806442).
Almost surely, 220214315 is an apocalyptic number.
20214315 is a deficient number, since it is larger than the sum of its proper divisors (18494901).
20214315 is a wasteful number, since it uses less digits than its factorization.
20214315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 540 (or 537 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 20214315 is about 4496.0332516564. The cubic root of 20214315 is about 272.4078862693.
Adding to 20214315 its reverse (51341202), we get a palindrome (71555517).
It can be divided in two parts, 2021 and 4315, that added together give a palindrome (6336).
The spelling of 20214315 in words is "twenty million, two hundred fourteen thousand, three hundred fifteen".
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