Base | Representation |
---|---|
bin | 101111111000101… |
… | …100001001101101 |
3 | 2001222201102222110 |
4 | 233320230021231 |
5 | 3121131440221 |
6 | 211415234233 |
7 | 25623463035 |
oct | 5770541155 |
9 | 2058642873 |
10 | 803390061 |
11 | 382546931 |
12 | 1a5078979 |
13 | ca59bc46 |
14 | 789ac8c5 |
15 | 4a7e6776 |
hex | 2fe2c26d |
803390061 has 4 divisors (see below), whose sum is σ = 1071186752. Its totient is φ = 535593372.
The previous prime is 803390047. The next prime is 803390087. The reversal of 803390061 is 160093308.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 803390061 - 26 = 803389997 is a prime.
It is a super-2 number, since 2×8033900612 = 1290871180227167442, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (803390011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133898341 + ... + 133898346.
It is an arithmetic number, because the mean of its divisors is an integer number (267796688).
Almost surely, 2803390061 is an apocalyptic number.
It is an amenable number.
803390061 is a deficient number, since it is larger than the sum of its proper divisors (267796691).
803390061 is a wasteful number, since it uses less digits than its factorization.
803390061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267796690.
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 803390061 is about 28344.1362718993. The cubic root of 803390061 is about 929.6271913053.
The spelling of 803390061 in words is "eight hundred three million, three hundred ninety thousand, sixty-one".
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