Base | Representation |
---|---|
bin | 1010011101011111001000 |
3 | 12011022121120 |
4 | 22131133020 |
5 | 1200222331 |
6 | 134435240 |
7 | 32210541 |
oct | 12353710 |
9 | 5138546 |
10 | 2742216 |
11 | 16032a4 |
12 | b02b20 |
13 | 750219 |
14 | 5154c8 |
15 | 392796 |
hex | 29d7c8 |
2742216 has 16 divisors (see below), whose sum is σ = 6855600. Its totient is φ = 914064.
The previous prime is 2742209. The next prime is 2742217. The reversal of 2742216 is 6122472.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 114259 = 2742216 / (2 + 7 + 4 + 2 + 2 + 1 + 6).
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (2742217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57106 + ... + 57153.
It is an arithmetic number, because the mean of its divisors is an integer number (428475).
22742216 is an apocalyptic number.
It is an amenable number.
2742216 is an abundant number, since it is smaller than the sum of its proper divisors (4113384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2742216 is a wasteful number, since it uses less digits than its factorization.
2742216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114268 (or 114264 counting only the distinct ones).
The product of its digits is 1344, while the sum is 24.
The square root of 2742216 is about 1655.9637677196. The cubic root of 2742216 is about 139.9696532864.
Adding to 2742216 its reverse (6122472), we get a palindrome (8864688).
The spelling of 2742216 in words is "two million, seven hundred forty-two thousand, two hundred sixteen".
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