Base | Representation |
---|---|
bin | 10000000001101011111111 |
3 | 21220102222120 |
4 | 100001223333 |
5 | 2033414330 |
6 | 230014023 |
7 | 50465304 |
oct | 20015377 |
9 | 7812876 |
10 | 4201215 |
11 | 240a487 |
12 | 14a7313 |
13 | b41335 |
14 | 7b50ab |
15 | 57ec10 |
hex | 401aff |
4201215 has 16 divisors (see below), whose sum is σ = 6748800. Its totient is φ = 2231712.
The previous prime is 4201207. The next prime is 4201217. The reversal of 4201215 is 5121024.
It is not a de Polignac number, because 4201215 - 23 = 4201207 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 4201194 and 4201203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4201217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5316 + ... + 6054.
It is an arithmetic number, because the mean of its divisors is an integer number (421800).
Almost surely, 24201215 is an apocalyptic number.
4201215 is a deficient number, since it is larger than the sum of its proper divisors (2547585).
4201215 is a wasteful number, since it uses less digits than its factorization.
4201215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1126.
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 4201215 is about 2049.6865614040. The cubic root of 4201215 is about 161.3584211644.
Adding to 4201215 its reverse (5121024), we get a palindrome (9322239).
The spelling of 4201215 in words is "four million, two hundred one thousand, two hundred fifteen".
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