Base | Representation |
---|---|
bin | 10000000101000111110101 |
3 | 21221011021200 |
4 | 100011013311 |
5 | 2034342120 |
6 | 230203113 |
7 | 50554314 |
oct | 20050765 |
9 | 7834250 |
10 | 4215285 |
11 | 241a008 |
12 | 14b3499 |
13 | b47869 |
14 | 7ba27b |
15 | 583e90 |
hex | 4051f5 |
4215285 has 24 divisors (see below), whose sum is σ = 7354464. Its totient is φ = 2233440.
The previous prime is 4215259. The next prime is 4215301. The reversal of 4215285 is 5825124.
It is a happy number.
It is not a de Polignac number, because 4215285 - 26 = 4215221 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12570 + ... + 12900.
It is an arithmetic number, because the mean of its divisors is an integer number (306436).
Almost surely, 24215285 is an apocalyptic number.
4215285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
4215285 is a deficient number, since it is larger than the sum of its proper divisors (3139179).
4215285 is a wasteful number, since it uses less digits than its factorization.
4215285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 625 (or 622 counting only the distinct ones).
The product of its digits is 3200, while the sum is 27.
The square root of 4215285 is about 2053.1159246375. The cubic root of 4215285 is about 161.5383519099.
The spelling of 4215285 in words is "four million, two hundred fifteen thousand, two hundred eighty-five".
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