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57025703 = 78146529
BaseRepresentation
bin1101100110001…
…0010010100111
310222022012120002
43121202102213
5104044310303
65354131515
71261465460
oct331422247
9128265502
1057025703
112a20a289
1217120b9b
13ba78227
147805d67
155016788
hex36624a7

57025703 has 4 divisors (see below), whose sum is σ = 65172240. Its totient is φ = 48879168.

The previous prime is 57025699. The next prime is 57025733. The reversal of 57025703 is 30752075.

57025703 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 is a cyclic number.

It is not a de Polignac number, because 57025703 - 22 = 57025699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57025733) 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, 4073258 + ... + 4073271.

It is an arithmetic number, because the mean of its divisors is an integer number (16293060).

Almost surely, 257025703 is an apocalyptic number.

57025703 is a deficient number, since it is larger than the sum of its proper divisors (8146537).

57025703 is an equidigital number, since it uses as much as digits as its factorization.

57025703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8146536.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 57025703 is about 7551.5364661769. The cubic root of 57025703 is about 384.9079512329.

Adding to 57025703 its reverse (30752075), we get a palindrome (87777778).

The spelling of 57025703 in words is "fifty-seven million, twenty-five thousand, seven hundred three".

Divisors: 1 7 8146529 57025703