Search a number
-
+
57428323 = 2916312149
BaseRepresentation
bin1101101100010…
…0100101100011
311000001122211221
43123010211203
5104200201243
65410515511
71265063341
oct333044543
9130048757
1057428323
112a464827
1217295b97
13bb89574
1478ac991
155095bed
hex36c4963

57428323 has 8 divisors (see below), whose sum is σ = 59778000. Its totient is φ = 55103328.

The previous prime is 57428311. The next prime is 57428353. The reversal of 57428323 is 32382475.

57428323 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57428323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57428303) 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, 1348 + ... + 10801.

It is an arithmetic number, because the mean of its divisors is an integer number (7472250).

Almost surely, 257428323 is an apocalyptic number.

57428323 is a deficient number, since it is larger than the sum of its proper divisors (2349677).

57428323 is a wasteful number, since it uses less digits than its factorization.

57428323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12341.

The product of its digits is 40320, while the sum is 34.

The square root of 57428323 is about 7578.1477288319. The cubic root of 57428323 is about 385.8116860890.

The spelling of 57428323 in words is "fifty-seven million, four hundred twenty-eight thousand, three hundred twenty-three".

Divisors: 1 29 163 4727 12149 352321 1980287 57428323