Base | Representation |
---|---|
bin | 100101011100101010010 |
3 | 2022100020210 |
4 | 10223211102 |
5 | 303231330 |
6 | 42144550 |
7 | 13300344 |
oct | 4534522 |
9 | 2270223 |
10 | 1227090 |
11 | 768a27 |
12 | 4b2156 |
13 | 33c6b7 |
14 | 23d294 |
15 | 1938b0 |
hex | 12b952 |
1227090 has 16 divisors (see below), whose sum is σ = 2945088. Its totient is φ = 327216.
The previous prime is 1227053. The next prime is 1227101. The reversal of 1227090 is 907221.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20422 + ... + 20481.
It is an arithmetic number, because the mean of its divisors is an integer number (184068).
21227090 is an apocalyptic number.
1227090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1227090 is an abundant number, since it is smaller than the sum of its proper divisors (1717998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1227090 is a wasteful number, since it uses less digits than its factorization.
1227090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40913.
The product of its (nonzero) digits is 252, while the sum is 21.
The square root of 1227090 is about 1107.7409444450. The cubic root of 1227090 is about 107.0595644716.
The spelling of 1227090 in words is "one million, two hundred twenty-seven thousand, ninety".
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