Base | Representation |
---|---|
bin | 100101011100101111010 |
3 | 2022100022021 |
4 | 10223211322 |
5 | 303232010 |
6 | 42145054 |
7 | 13300432 |
oct | 4534572 |
9 | 2270267 |
10 | 1227130 |
11 | 768a63 |
12 | 4b218a |
13 | 33c718 |
14 | 23d2c2 |
15 | 1938da |
hex | 12b97a |
1227130 has 24 divisors (see below), whose sum is σ = 2295036. Its totient is φ = 472320.
The previous prime is 1227103. The next prime is 1227131. The reversal of 1227130 is 317221.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 41209 + 1185921 = 203^2 + 1089^2 .
It is not an unprimeable number, because it can be changed into a prime (1227131) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16774 + ... + 16846.
21227130 is an apocalyptic number.
1227130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1227130 is a deficient number, since it is larger than the sum of its proper divisors (1067906).
1227130 is an equidigital number, since it uses as much as digits as its factorization.
1227130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162 (or 121 counting only the distinct ones).
The product of its (nonzero) digits is 84, while the sum is 16.
The square root of 1227130 is about 1107.7589990607. The cubic root of 1227130 is about 107.0607277484.
Subtracting from 1227130 its reverse (317221), we obtain a palindrome (909909).
The spelling of 1227130 in words is "one million, two hundred twenty-seven thousand, one hundred thirty".
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