Base | Representation |
---|---|
bin | 10101101110101… |
… | …10010100001001 |
3 | 110200222212011222 |
4 | 22313112110021 |
5 | 333131001411 |
6 | 30030531425 |
7 | 4342236614 |
oct | 1267262411 |
9 | 420885158 |
10 | 182281481 |
11 | 93990858 |
12 | 51066b75 |
13 | 2b9c2485 |
14 | 1a2cd17b |
15 | 110094db |
hex | add6509 |
182281481 has 8 divisors (see below), whose sum is σ = 186093000. Its totient is φ = 178496640.
The previous prime is 182281441. The next prime is 182281483. The reversal of 182281481 is 184182281.
It is a happy number.
182281481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 25806400 + 156475081 = 5080^2 + 12509^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 182281481 - 222 = 178087177 is a prime.
It is a super-2 number, since 2×1822814812 = 66453076631106722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (182281483) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7445 + ... + 20493.
It is an arithmetic number, because the mean of its divisors is an integer number (23261625).
Almost surely, 2182281481 is an apocalyptic number.
It is an amenable number.
182281481 is a deficient number, since it is larger than the sum of its proper divisors (3811519).
182281481 is a wasteful number, since it uses less digits than its factorization.
182281481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13339.
The product of its digits is 8192, while the sum is 35.
The square root of 182281481 is about 13501.1659126166. The cubic root of 182281481 is about 566.9971154906.
The spelling of 182281481 in words is "one hundred eighty-two million, two hundred eighty-one thousand, four hundred eighty-one".
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