Base | Representation |
---|---|
bin | 1000010111100101100 |
3 | 111221011022 |
4 | 1002330230 |
5 | 32233340 |
6 | 5513312 |
7 | 2221322 |
oct | 1027454 |
9 | 457138 |
10 | 274220 |
11 | 178031 |
12 | 112838 |
13 | 97a7b |
14 | 71d12 |
15 | 563b5 |
hex | 42f2c |
274220 has 12 divisors (see below), whose sum is σ = 575904. Its totient is φ = 109680.
The previous prime is 274213. The next prime is 274223. The reversal of 274220 is 22472.
It is not an unprimeable number, because it can be changed into a prime (274223) 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, 6836 + ... + 6875.
It is an arithmetic number, because the mean of its divisors is an integer number (47992).
2274220 is an apocalyptic number.
274220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
274220 is an abundant number, since it is smaller than the sum of its proper divisors (301684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
274220 is a wasteful number, since it uses less digits than its factorization.
274220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13720 (or 13718 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 17.
The square root of 274220 is about 523.6601951648. The cubic root of 274220 is about 64.9680316171.
Adding to 274220 its reverse (22472), we get a palindrome (296692).
It can be divided in two parts, 274 and 220, that added together give a palindrome (494).
The spelling of 274220 in words is "two hundred seventy-four thousand, two hundred twenty", and thus it is an iban number.
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