Base | Representation |
---|---|
bin | 11101000110111… |
… | …101111011111011 |
3 | 1021000221112221221 |
4 | 131012331323323 |
5 | 2000010201234 |
6 | 120243212511 |
7 | 15050020024 |
oct | 3506757373 |
9 | 1230845857 |
10 | 488365819 |
11 | 230740517 |
12 | 117677137 |
13 | 7a240776 |
14 | 48c07c4b |
15 | 2cd1aeb4 |
hex | 1d1bdefb |
488365819 has 2 divisors, whose sum is σ = 488365820. Its totient is φ = 488365818.
The previous prime is 488365793. The next prime is 488365837. The reversal of 488365819 is 918563884.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 488365819 - 221 = 486268667 is a prime.
It is a super-2 number, since 2×4883658192 = 477002346335081522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (488365859) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244182909 + 244182910.
It is an arithmetic number, because the mean of its divisors is an integer number (244182910).
Almost surely, 2488365819 is an apocalyptic number.
488365819 is a deficient number, since it is larger than the sum of its proper divisors (1).
488365819 is an equidigital number, since it uses as much as digits as its factorization.
488365819 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1658880, while the sum is 52.
The square root of 488365819 is about 22099.0004072582. Note that the first 3 decimals coincide. The cubic root of 488365819 is about 787.4961150056.
The spelling of 488365819 in words is "four hundred eighty-eight million, three hundred sixty-five thousand, eight hundred nineteen".
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