Base | Representation |
---|---|
bin | 1000011100101101010100 |
3 | 11011112001102 |
4 | 20130231110 |
5 | 1031332430 |
6 | 115245232 |
7 | 24552653 |
oct | 10345524 |
9 | 4145042 |
10 | 2214740 |
11 | 1282a70 |
12 | 8a9818 |
13 | 5c70c8 |
14 | 41919a |
15 | 2db345 |
hex | 21cb54 |
2214740 has 24 divisors (see below), whose sum is σ = 5074272. Its totient is φ = 805280.
The previous prime is 2214731. The next prime is 2214749. The reversal of 2214740 is 474122.
It is an interprime number because it is at equal distance from previous prime (2214731) and next prime (2214749).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2214749) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4814 + ... + 5253.
It is an arithmetic number, because the mean of its divisors is an integer number (211428).
22214740 is an apocalyptic number.
2214740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2214740 is an abundant number, since it is smaller than the sum of its proper divisors (2859532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2214740 is a wasteful number, since it uses less digits than its factorization.
2214740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10087 (or 10085 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 20.
The square root of 2214740 is about 1488.2002553420. The cubic root of 2214740 is about 130.3489638061.
Adding to 2214740 its reverse (474122), we get a palindrome (2688862).
The spelling of 2214740 in words is "two million, two hundred fourteen thousand, seven hundred forty".
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