Base | Representation |
---|---|
bin | 1001101001011… |
… | …01100101001011 |
3 | 12122021112001012 |
4 | 10310231211023 |
5 | 131204131201 |
6 | 12010314135 |
7 | 2001603632 |
oct | 464554513 |
9 | 178245035 |
10 | 80927051 |
11 | 41754767 |
12 | 2312894b |
13 | 139c633a |
14 | aa68519 |
15 | 71885bb |
hex | 4d2d94b |
80927051 has 4 divisors (see below), whose sum is σ = 81509400. Its totient is φ = 80344704.
The previous prime is 80927039. The next prime is 80927059. The reversal of 80927051 is 15072908.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80927051 - 218 = 80664907 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80926999 and 80927017.
It is not an unprimeable number, because it can be changed into a prime (80927059) 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, 290966 + ... + 291243.
It is an arithmetic number, because the mean of its divisors is an integer number (20377350).
Almost surely, 280927051 is an apocalyptic number.
80927051 is a deficient number, since it is larger than the sum of its proper divisors (582349).
80927051 is a wasteful number, since it uses less digits than its factorization.
80927051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 582348.
The product of its (nonzero) digits is 5040, while the sum is 32.
The square root of 80927051 is about 8995.9463648912. The cubic root of 80927051 is about 432.5449423711.
Adding to 80927051 its reverse (15072908), we get a palindrome (95999959).
The spelling of 80927051 in words is "eighty million, nine hundred twenty-seven thousand, fifty-one".
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