Base | Representation |
---|---|
bin | 11101010000010… |
… | …101110101101011 |
3 | 1021012120101121100 |
4 | 131100111311223 |
5 | 2001122314034 |
6 | 120412012443 |
7 | 15106632621 |
oct | 3520256553 |
9 | 1235511540 |
10 | 490823019 |
11 | 232069665 |
12 | 118461123 |
13 | 7a8c102b |
14 | 49287511 |
15 | 2d154099 |
hex | 1d415d6b |
490823019 has 48 divisors (see below), whose sum is σ = 752468704. Its totient is φ = 307929600.
The previous prime is 490822993. The next prime is 490823023. The reversal of 490823019 is 910328094.
It is not a de Polignac number, because 490823019 - 25 = 490822987 is a prime.
It is a super-2 number, since 2×4908230192 = 481814471960548722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (490823719) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1482684 + ... + 1483014.
Almost surely, 2490823019 is an apocalyptic number.
490823019 is a deficient number, since it is larger than the sum of its proper divisors (261645685).
490823019 is a wasteful number, since it uses less digits than its factorization.
490823019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 508 (or 505 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 490823019 is about 22154.5259258690. The cubic root of 490823019 is about 788.8146615129.
The spelling of 490823019 in words is "four hundred ninety million, eight hundred twenty-three thousand, nineteen".
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