Base | Representation |
---|---|
bin | 1001100110100… |
… | …10101010011101 |
3 | 12121120121012200 |
4 | 10303102222131 |
5 | 131110222103 |
6 | 11554322113 |
7 | 1665463134 |
oct | 463225235 |
9 | 177517180 |
10 | 80554653 |
11 | 4151a9a3 |
12 | 22b89339 |
13 | 138c599a |
14 | a9ac91b |
15 | 71130a3 |
hex | 4cd2a9d |
80554653 has 12 divisors (see below), whose sum is σ = 123201468. Its totient is φ = 50544000.
The previous prime is 80554631. The next prime is 80554657. The reversal of 80554653 is 35645508.
It can be written as a sum of positive squares in 2 ways, for example, as 30173049 + 50381604 = 5493^2 + 7098^2 .
It is not a de Polignac number, because 80554653 - 26 = 80554589 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80554657) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263098 + ... + 263403.
It is an arithmetic number, because the mean of its divisors is an integer number (10266789).
Almost surely, 280554653 is an apocalyptic number.
It is an amenable number.
80554653 is a deficient number, since it is larger than the sum of its proper divisors (42646815).
80554653 is a wasteful number, since it uses less digits than its factorization.
80554653 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526524 (or 526521 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 36.
The square root of 80554653 is about 8975.2243983089. The cubic root of 80554653 is about 431.8804485285.
The spelling of 80554653 in words is "eighty million, five hundred fifty-four thousand, six hundred fifty-three".
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