Search a number
-
+
57469457 = 431336499
BaseRepresentation
bin1101101100111…
…0101000010001
311000010202021102
43123032220101
5104203010312
65411434145
71265324303
oct333165021
9130122242
1057469457
112a492721
12172b5955
13bba21c6
1478bd973
1550a2ec2
hex36cea11

57469457 has 4 divisors (see below), whose sum is σ = 58806000. Its totient is φ = 56132916.

The previous prime is 57469453. The next prime is 57469499. The reversal of 57469457 is 75496475.

57469457 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57469457 - 22 = 57469453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57469453) 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, 668207 + ... + 668292.

It is an arithmetic number, because the mean of its divisors is an integer number (14701500).

Almost surely, 257469457 is an apocalyptic number.

It is an amenable number.

57469457 is a deficient number, since it is larger than the sum of its proper divisors (1336543).

57469457 is a wasteful number, since it uses less digits than its factorization.

57469457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336542.

The product of its digits is 1058400, while the sum is 47.

The square root of 57469457 is about 7580.8612307574. The cubic root of 57469457 is about 385.9037788028.

The spelling of 57469457 in words is "fifty-seven million, four hundred sixty-nine thousand, four hundred fifty-seven".

Divisors: 1 43 1336499 57469457