Base | Representation |
---|---|
bin | 1000011111000100010100 |
3 | 11012000022100 |
4 | 20133010110 |
5 | 1032140104 |
6 | 115402100 |
7 | 24623100 |
oct | 10370424 |
9 | 4160270 |
10 | 2224404 |
11 | 128a256 |
12 | 8b3330 |
13 | 5cb620 |
14 | 41c900 |
15 | 2de139 |
hex | 21f114 |
2224404 has 108 divisors (see below), whose sum is σ = 7116564. Its totient is φ = 580608.
The previous prime is 2224379. The next prime is 2224429. The reversal of 2224404 is 4044222.
2224404 is a `hidden beast` number, since 222 + 440 + 4 = 666.
It is an interprime number because it is at equal distance from previous prime (2224379) and next prime (2224429).
It can be written as a sum of positive squares in 2 ways, for example, as 636804 + 1587600 = 798^2 + 1260^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22884 + ... + 22980.
22224404 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2224404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3558282).
2224404 is an abundant number, since it is smaller than the sum of its proper divisors (4892160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2224404 is a wasteful number, since it uses less digits than its factorization.
2224404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134 (or 122 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 18.
The square root of 2224404 is about 1491.4435959834. The cubic root of 2224404 is about 130.5382809262.
Adding to 2224404 its reverse (4044222), we get a palindrome (6268626).
It can be divided in two parts, 2224 and 404, that added together give a triangular number (2628 = T72).
The spelling of 2224404 in words is "two million, two hundred twenty-four thousand, four hundred four".
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