Base | Representation |
---|---|
bin | 11110100010001… |
… | …101000100000001 |
3 | 1022200221200000001 |
4 | 132202031010001 |
5 | 2022121023011 |
6 | 122500000001 |
7 | 15460222045 |
oct | 3642150401 |
9 | 1280850001 |
10 | 512282881 |
11 | 243196790 |
12 | 123690001 |
13 | 82195a86 |
14 | 4c072025 |
15 | 2ee927c1 |
hex | 1e88d101 |
512282881 has 8 divisors (see below), whose sum is σ = 559980000. Its totient is φ = 464773440.
The previous prime is 512282863. The next prime is 512282893. The reversal of 512282881 is 188282215.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 512282881 - 221 = 510185729 is a prime.
It is a super-2 number, since 2×5122828812 = 524867500331320322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 512282881.
It is not an unprimeable number, because it can be changed into a prime (512282801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41176 + ... + 52153.
It is an arithmetic number, because the mean of its divisors is an integer number (69997500).
Almost surely, 2512282881 is an apocalyptic number.
It is an amenable number.
512282881 is a deficient number, since it is larger than the sum of its proper divisors (47697119).
512282881 is a wasteful number, since it uses less digits than its factorization.
512282881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93839.
The product of its digits is 20480, while the sum is 37.
The square root of 512282881 is about 22633.6669808496. Note that the first 3 decimals coincide. The cubic root of 512282881 is about 800.1473067284.
The spelling of 512282881 in words is "five hundred twelve million, two hundred eighty-two thousand, eight hundred eighty-one".
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