Base | Representation |
---|---|
bin | 1001100110011… |
… | …10111000000001 |
3 | 12121112210221000 |
4 | 10303032320001 |
5 | 131104223022 |
6 | 11554122213 |
7 | 1665366660 |
oct | 463167001 |
9 | 177483830 |
10 | 80539137 |
11 | 4150a278 |
12 | 22b80369 |
13 | 138bb8c3 |
14 | a9a6dd7 |
15 | 710d6ac |
hex | 4ccee01 |
80539137 has 32 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 45855504.
The previous prime is 80539127. The next prime is 80539139. The reversal of 80539137 is 73193508.
It is not a de Polignac number, because 80539137 - 27 = 80539009 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80539139) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67258 + ... + 68444.
It is an arithmetic number, because the mean of its divisors is an integer number (4276800).
Almost surely, 280539137 is an apocalyptic number.
It is an amenable number.
80539137 is a deficient number, since it is larger than the sum of its proper divisors (56318463).
80539137 is a wasteful number, since it uses less digits than its factorization.
80539137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1562 (or 1556 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 80539137 is about 8974.3599771794. The cubic root of 80539137 is about 431.8527179254.
The spelling of 80539137 in words is "eighty million, five hundred thirty-nine thousand, one hundred thirty-seven".
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