Base | Representation |
---|---|
bin | 101111101100110… |
… | …101011000010001 |
3 | 2001202212112200212 |
4 | 233230311120101 |
5 | 3114333012004 |
6 | 211224453505 |
7 | 25555200023 |
oct | 5754653021 |
9 | 2052775625 |
10 | 800282129 |
11 | 380813899 |
12 | 1a401a295 |
13 | c9a5142a |
14 | 78400013 |
15 | 4a3d096e |
hex | 2fb35611 |
800282129 has 4 divisors (see below), whose sum is σ = 805653300. Its totient is φ = 794910960.
The previous prime is 800282117. The next prime is 800282141. The reversal of 800282129 is 921282008.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (800282117) and next prime (800282141).
It can be written as a sum of positive squares in 2 ways, for example, as 300849025 + 499433104 = 17345^2 + 22348^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-800282129 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 800282095 and 800282104.
It is not an unprimeable number, because it can be changed into a prime (800282629) 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, 2685362 + ... + 2685659.
It is an arithmetic number, because the mean of its divisors is an integer number (201413325).
Almost surely, 2800282129 is an apocalyptic number.
It is an amenable number.
800282129 is a deficient number, since it is larger than the sum of its proper divisors (5371171).
800282129 is a wasteful number, since it uses less digits than its factorization.
800282129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5371170.
The product of its (nonzero) digits is 4608, while the sum is 32.
The square root of 800282129 is about 28289.2581910520. The cubic root of 800282129 is about 928.4268811314.
The spelling of 800282129 in words is "eight hundred million, two hundred eighty-two thousand, one hundred twenty-nine".
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