Base | Representation |
---|---|
bin | 10000000111000110110111 |
3 | 21221120102210 |
4 | 100013012313 |
5 | 2040122130 |
6 | 230304503 |
7 | 50620110 |
oct | 20070667 |
9 | 7846383 |
10 | 4223415 |
11 | 2425129 |
12 | 14b8133 |
13 | b4b481 |
14 | 7bd207 |
15 | 5865b0 |
hex | 4071b7 |
4223415 has 64 divisors (see below), whose sum is σ = 8524800. Its totient is φ = 1741824.
The previous prime is 4223413. The next prime is 4223431. The reversal of 4223415 is 5143224.
It is not a de Polignac number, because 4223415 - 21 = 4223413 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
4223415 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 4223391 and 4223400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4223413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57819 + ... + 57891.
It is an arithmetic number, because the mean of its divisors is an integer number (133200).
Almost surely, 24223415 is an apocalyptic number.
4223415 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
4223415 is a wasteful number, since it uses less digits than its factorization.
4223415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136.
The product of its digits is 960, while the sum is 21.
The square root of 4223415 is about 2055.0948883202. The cubic root of 4223415 is about 161.6421379633.
Adding to 4223415 its reverse (5143224), we get a palindrome (9366639).
The spelling of 4223415 in words is "four million, two hundred twenty-three thousand, four hundred fifteen".
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