Base | Representation |
---|---|
bin | 11101000100100… |
… | …001010101101111 |
3 | 1020222201222002122 |
4 | 131010201111233 |
5 | 1444324140044 |
6 | 120221343155 |
7 | 15041406011 |
oct | 3504412557 |
9 | 1228658078 |
10 | 487724399 |
11 | 230342618 |
12 | 117407abb |
13 | 7a077826 |
14 | 48abc1b1 |
15 | 2cc40dee |
hex | 1d12156f |
487724399 has 2 divisors, whose sum is σ = 487724400. Its totient is φ = 487724398.
The previous prime is 487724389. The next prime is 487724431. The reversal of 487724399 is 993427784.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 487724399 - 24 = 487724383 is a prime.
It is a super-2 number, since 2×4877243992 = 475750178759822402, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 487724399.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (487724329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243862199 + 243862200.
It is an arithmetic number, because the mean of its divisors is an integer number (243862200).
Almost surely, 2487724399 is an apocalyptic number.
487724399 is a deficient number, since it is larger than the sum of its proper divisors (1).
487724399 is an equidigital number, since it uses as much as digits as its factorization.
487724399 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3048192, while the sum is 53.
The square root of 487724399 is about 22084.4832178614. The cubic root of 487724399 is about 787.1511979784.
The spelling of 487724399 in words is "four hundred eighty-seven million, seven hundred twenty-four thousand, three hundred ninety-nine".
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