Base | Representation |
---|---|
bin | 100000001100111111111 |
3 | 1222121111122 |
4 | 10001213333 |
5 | 232231411 |
6 | 34341155 |
7 | 11653322 |
oct | 4014777 |
9 | 1877448 |
10 | 1055231 |
11 | 6608a1 |
12 | 42a7bb |
13 | 2ac3c8 |
14 | 1d67b9 |
15 | 15c9db |
hex | 1019ff |
1055231 has 2 divisors, whose sum is σ = 1055232. Its totient is φ = 1055230.
The previous prime is 1055191. The next prime is 1055233. The reversal of 1055231 is 1325501.
It is a strong prime.
It is an emirp because it is prime and its reverse (1325501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1055231 - 26 = 1055167 is a prime.
It is a super-2 number, since 2×10552312 = 2227024926722, which contains 22 as substring.
Together with 1055233, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1055233) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527615 + 527616.
It is an arithmetic number, because the mean of its divisors is an integer number (527616).
21055231 is an apocalyptic number.
1055231 is a deficient number, since it is larger than the sum of its proper divisors (1).
1055231 is an equidigital number, since it uses as much as digits as its factorization.
1055231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 150, while the sum is 17.
The square root of 1055231 is about 1027.2443720946. The cubic root of 1055231 is about 101.8081424906.
The spelling of 1055231 in words is "one million, fifty-five thousand, two hundred thirty-one".
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