Base | Representation |
---|---|
bin | 1000011100011001010100 |
3 | 11011110022000 |
4 | 20130121110 |
5 | 1031312320 |
6 | 115235300 |
7 | 24546144 |
oct | 10343124 |
9 | 4143260 |
10 | 2213460 |
11 | 1282007 |
12 | 8a8b30 |
13 | 5c6652 |
14 | 418924 |
15 | 2dac90 |
hex | 21c654 |
2213460 has 48 divisors (see below), whose sum is σ = 6888000. Its totient is φ = 590112.
The previous prime is 2213447. The next prime is 2213461. The reversal of 2213460 is 643122.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2213461) 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, 1510 + ... + 2589.
It is an arithmetic number, because the mean of its divisors is an integer number (143500).
22213460 is an apocalyptic number.
2213460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2213460 is an abundant number, since it is smaller than the sum of its proper divisors (4674540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2213460 is a wasteful number, since it uses less digits than its factorization.
2213460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4117 (or 4109 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2213460 is about 1487.7701435370. The cubic root of 2213460 is about 130.3238474151.
Adding to 2213460 its reverse (643122), we get a palindrome (2856582).
The spelling of 2213460 in words is "two million, two hundred thirteen thousand, four hundred sixty".
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