Base | Representation |
---|---|
bin | 1101101100000… |
… | …0111010001101 |
3 | 11000000220012002 |
4 | 3123000322031 |
5 | 104144211021 |
6 | 5410322045 |
7 | 1265001413 |
oct | 333007215 |
9 | 130026162 |
10 | 57413261 |
11 | 2a454484 |
12 | 17289325 |
13 | bb82759 |
14 | 78a72b3 |
15 | 509150b |
hex | 36c0e8d |
57413261 has 4 divisors (see below), whose sum is σ = 58354524. Its totient is φ = 56472000.
The previous prime is 57413249. The next prime is 57413281. The reversal of 57413261 is 16231475.
57413261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8497225 + 48916036 = 2915^2 + 6994^2 .
It is a cyclic number.
It is not a de Polignac number, because 57413261 - 214 = 57396877 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 (57413201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470540 + ... + 470661.
It is an arithmetic number, because the mean of its divisors is an integer number (14588631).
Almost surely, 257413261 is an apocalyptic number.
It is an amenable number.
57413261 is a deficient number, since it is larger than the sum of its proper divisors (941263).
57413261 is an equidigital number, since it uses as much as digits as its factorization.
57413261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 941262.
The product of its digits is 5040, while the sum is 29.
The square root of 57413261 is about 7577.1538851999. The cubic root of 57413261 is about 385.7779535831. Note that the first 3 decimals are identical.
The spelling of 57413261 in words is "fifty-seven million, four hundred thirteen thousand, two hundred sixty-one".
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