Base | Representation |
---|---|
bin | 11101110011010… |
… | …000010100010010 |
3 | 1021211210101100222 |
4 | 131303100110102 |
5 | 2010443203232 |
6 | 121340113042 |
7 | 15250502231 |
oct | 3563202422 |
9 | 1254711328 |
10 | 499975442 |
11 | 23724aa4a |
12 | 11b535782 |
13 | 7c776b75 |
14 | 4a58ab18 |
15 | 2dd60d12 |
hex | 1dcd0512 |
499975442 has 18 divisors (see below), whose sum is σ = 762451893. Its totient is φ = 245892672.
The previous prime is 499975439. The next prime is 499975451. The reversal of 499975442 is 244579994.
It can be written as a sum of positive squares in 2 ways, for example, as 498673561 + 1301881 = 22331^2 + 1141^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=15811.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3067253 + ... + 3067415.
Almost surely, 2499975442 is an apocalyptic number.
499975442 is a deficient number, since it is larger than the sum of its proper divisors (262476451).
499975442 is an frugal number, since it uses more digits than its factorization.
499975442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 522 (or 262 counting only the distinct ones).
The product of its digits is 3265920, while the sum is 53.
The square root of 499975442 is about 22360.1306346810. The cubic root of 499975442 is about 793.6875313063.
The spelling of 499975442 in words is "four hundred ninety-nine million, nine hundred seventy-five thousand, four hundred forty-two".
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