Base | Representation |
---|---|
bin | 11011011001111… |
… | …011000110001010 |
3 | 1012001011021021001 |
4 | 123121323012022 |
5 | 1420200433430 |
6 | 113342405214 |
7 | 14252032621 |
oct | 3331730612 |
9 | 1161137231 |
10 | 459780490 |
11 | 216596984 |
12 | 109b9080a |
13 | 74342680 |
14 | 450c66b8 |
15 | 2a5713ca |
hex | 1b67b18a |
459780490 has 32 divisors (see below), whose sum is σ = 893365200. Its totient is φ = 169365504.
The previous prime is 459780481. The next prime is 459780491. The reversal of 459780490 is 94087954.
It can be written as a sum of positive squares in 8 ways, for example, as 64208169 + 395572321 = 8013^2 + 19889^2 .
It is a super-2 number, since 2×4597804902 = 422796197969280200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 459780490.
It is not an unprimeable number, because it can be changed into a prime (459780491) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54432 + ... + 62308.
Almost surely, 2459780490 is an apocalyptic number.
459780490 is a deficient number, since it is larger than the sum of its proper divisors (433584710).
459780490 is a wasteful number, since it uses less digits than its factorization.
459780490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8346.
The product of its (nonzero) digits is 362880, while the sum is 46.
The square root of 459780490 is about 21442.4926256254. The cubic root of 459780490 is about 771.8214539175.
The spelling of 459780490 in words is "four hundred fifty-nine million, seven hundred eighty thousand, four hundred ninety".
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