Base | Representation |
---|---|
bin | 11101010000000… |
… | …001111011101111 |
3 | 1021012102020202122 |
4 | 131100001323233 |
5 | 2001112211422 |
6 | 120410143155 |
7 | 15106143125 |
oct | 3520017357 |
9 | 1235366678 |
10 | 490741487 |
11 | 232013385 |
12 | 118421abb |
13 | 7a892ba2 |
14 | 49265915 |
15 | 2d139d42 |
hex | 1d401eef |
490741487 has 2 divisors, whose sum is σ = 490741488. Its totient is φ = 490741486.
The previous prime is 490741477. The next prime is 490741507. The reversal of 490741487 is 784147094.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 490741487 - 210 = 490740463 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (490741417) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245370743 + 245370744.
It is an arithmetic number, because the mean of its divisors is an integer number (245370744).
Almost surely, 2490741487 is an apocalyptic number.
490741487 is a deficient number, since it is larger than the sum of its proper divisors (1).
490741487 is an equidigital number, since it uses as much as digits as its factorization.
490741487 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 225792, while the sum is 44.
The square root of 490741487 is about 22152.6857739643. The cubic root of 490741487 is about 788.7709816827.
The spelling of 490741487 in words is "four hundred ninety million, seven hundred forty-one thousand, four hundred eighty-seven".
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