Base | Representation |
---|---|
bin | 1110111110011011111 |
3 | 220221010210 |
4 | 1313303133 |
5 | 111200334 |
6 | 14303503 |
7 | 4112445 |
oct | 1676337 |
9 | 827123 |
10 | 490719 |
11 | 305759 |
12 | 1b7b93 |
13 | 142488 |
14 | cab95 |
15 | 9a5e9 |
hex | 77cdf |
490719 has 4 divisors (see below), whose sum is σ = 654296. Its totient is φ = 327144.
The previous prime is 490697. The next prime is 490733. The reversal of 490719 is 917094.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 490719 - 27 = 490591 is a prime.
It is a super-2 number, since 2×4907192 = 481610273922, which contains 22 as substring.
It is a D-number.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490769) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81784 + ... + 81789.
It is an arithmetic number, because the mean of its divisors is an integer number (163574).
2490719 is an apocalyptic number.
490719 is a deficient number, since it is larger than the sum of its proper divisors (163577).
490719 is a wasteful number, since it uses less digits than its factorization.
490719 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163576.
The product of its (nonzero) digits is 2268, while the sum is 30.
The square root of 490719 is about 700.5133831698. The cubic root of 490719 is about 78.8758933680.
The spelling of 490719 in words is "four hundred ninety thousand, seven hundred nineteen".
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