Base | Representation |
---|---|
bin | 1001101000101… |
… | …00111011001101 |
3 | 12122002101111211 |
4 | 10310110323031 |
5 | 131142413221 |
6 | 12004214421 |
7 | 2001003331 |
oct | 464247315 |
9 | 178071454 |
10 | 80826061 |
11 | 416958a8 |
12 | 2309a411 |
13 | 1398c394 |
14 | aa3d7c1 |
15 | 71686e1 |
hex | 4d14ecd |
80826061 has 4 divisors (see below), whose sum is σ = 80906400. Its totient is φ = 80745724.
The previous prime is 80826023. The next prime is 80826073. The reversal of 80826061 is 16062808.
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 a cyclic number.
It is not a de Polignac number, because 80826061 - 211 = 80824013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80826091) 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, 38641 + ... + 40678.
It is an arithmetic number, because the mean of its divisors is an integer number (20226600).
Almost surely, 280826061 is an apocalyptic number.
It is an amenable number.
80826061 is a deficient number, since it is larger than the sum of its proper divisors (80339).
80826061 is a wasteful number, since it uses less digits than its factorization.
80826061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80338.
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 80826061 is about 8990.3315289259. The cubic root of 80826061 is about 432.3649411784.
Adding to 80826061 its reverse (16062808), we get a palindrome (96888869).
The spelling of 80826061 in words is "eighty million, eight hundred twenty-six thousand, sixty-one".
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