Search a number
-
+
57745041 = 379724151
BaseRepresentation
bin1101110001000…
…1111010010001
311000122202022020
43130101322101
5104240320131
65421402053
71300552614
oct334217221
9130582266
1057745041
112a660782
1217409329
13bc6a783
14795217b
155109996
hex3711e91

57745041 has 8 divisors (see below), whose sum is σ = 77093184. Its totient is φ = 38446800.

The previous prime is 57745031. The next prime is 57745043. The reversal of 57745041 is 14054775.

57745041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57745041 - 26 = 57744977 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57744993 and 57745011.

It is not an unprimeable number, because it can be changed into a prime (57745043) 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 7 ways as a sum of consecutive naturals, for example, 9685 + ... + 14466.

It is an arithmetic number, because the mean of its divisors is an integer number (9636648).

Almost surely, 257745041 is an apocalyptic number.

It is an amenable number.

57745041 is a deficient number, since it is larger than the sum of its proper divisors (19348143).

57745041 is a wasteful number, since it uses less digits than its factorization.

57745041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24951.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 57745041 is about 7599.0157915351. The cubic root of 57745041 is about 386.5196384952.

The spelling of 57745041 in words is "fifty-seven million, seven hundred forty-five thousand, forty-one".

Divisors: 1 3 797 2391 24151 72453 19248347 57745041