Base | Representation |
---|---|
bin | 11010010100111… |
… | …11100010011011 |
3 | 120101120120022121 |
4 | 31022133202123 |
5 | 423014320202 |
6 | 33525402111 |
7 | 5321142313 |
oct | 1512374233 |
9 | 511516277 |
10 | 220854427 |
11 | 103737222 |
12 | 61b69337 |
13 | 369a95c1 |
14 | 21490443 |
15 | 145c8537 |
hex | d29f89b |
220854427 has 2 divisors, whose sum is σ = 220854428. Its totient is φ = 220854426.
The previous prime is 220854391. The next prime is 220854433. The reversal of 220854427 is 724458022.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 220854427 - 27 = 220854299 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 220854392 and 220854401.
It is not a weakly prime, because it can be changed into another prime (220854437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110427213 + 110427214.
It is an arithmetic number, because the mean of its divisors is an integer number (110427214).
Almost surely, 2220854427 is an apocalyptic number.
220854427 is a deficient number, since it is larger than the sum of its proper divisors (1).
220854427 is an equidigital number, since it uses as much as digits as its factorization.
220854427 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 35840, while the sum is 34.
The square root of 220854427 is about 14861.1717909457. The cubic root of 220854427 is about 604.4615814015.
The spelling of 220854427 in words is "two hundred twenty million, eight hundred fifty-four thousand, four hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •