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57423841 = 173377873
BaseRepresentation
bin1101101100001…
…1011111100001
311000001102200221
43123003133201
5104200030331
65410443041
71265044306
oct333033741
9130042627
1057423841
112a461422
1217293481
13bb87507
1478ab0ad
155094711
hex36c37e1

57423841 has 4 divisors (see below), whose sum is σ = 60801732. Its totient is φ = 54045952.

The previous prime is 57423827. The next prime is 57423859. The reversal of 57423841 is 14832475.

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 36300625 + 21123216 = 6025^2 + 4596^2 .

It is a cyclic number.

It is not a de Polignac number, because 57423841 - 219 = 56899553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57423797 and 57423806.

It is not an unprimeable number, because it can be changed into a prime (57423881) 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, 1688920 + ... + 1688953.

It is an arithmetic number, because the mean of its divisors is an integer number (15200433).

Almost surely, 257423841 is an apocalyptic number.

It is an amenable number.

57423841 is a deficient number, since it is larger than the sum of its proper divisors (3377891).

57423841 is a wasteful number, since it uses less digits than its factorization.

57423841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377890.

The product of its digits is 26880, while the sum is 34.

The square root of 57423841 is about 7577.8520043611. The cubic root of 57423841 is about 385.8016489222.

It can be divided in two parts, 5742 and 3841, that multiplied together give a palindrome (22055022).

The spelling of 57423841 in words is "fifty-seven million, four hundred twenty-three thousand, eight hundred forty-one".

Divisors: 1 17 3377873 57423841