Base | Representation |
---|---|
bin | 10001000000111… |
… | …010010000100001 |
3 | 201220010102120021 |
4 | 101000322100201 |
5 | 1041033420142 |
6 | 44154113441 |
7 | 10034203345 |
oct | 2100722041 |
9 | 656112507 |
10 | 285451297 |
11 | 13714786a |
12 | 7b71b881 |
13 | 471a59c1 |
14 | 29ca7625 |
15 | 1a0d8267 |
hex | 1103a421 |
285451297 has 2 divisors, whose sum is σ = 285451298. Its totient is φ = 285451296.
The previous prime is 285451291. The next prime is 285451303. The reversal of 285451297 is 792154582.
It is a balanced prime because it is at equal distance from previous prime (285451291) and next prime (285451303).
It can be written as a sum of positive squares in only one way, i.e., 274101136 + 11350161 = 16556^2 + 3369^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-285451297 is a prime.
It is not a weakly prime, because it can be changed into another prime (285451291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142725648 + 142725649.
It is an arithmetic number, because the mean of its divisors is an integer number (142725649).
Almost surely, 2285451297 is an apocalyptic number.
It is an amenable number.
285451297 is a deficient number, since it is larger than the sum of its proper divisors (1).
285451297 is an equidigital number, since it uses as much as digits as its factorization.
285451297 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 201600, while the sum is 43.
The square root of 285451297 is about 16895.3039925300. The cubic root of 285451297 is about 658.4316118550.
The spelling of 285451297 in words is "two hundred eighty-five million, four hundred fifty-one thousand, two hundred ninety-seven".
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