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57418474 = 228709237
BaseRepresentation
bin1101101100001…
…0001011101010
311000001011100011
43123002023222
5104144342344
65410402134
71265022541
oct333021352
9130034304
1057418474
112a458393
121729034a
13bb84c39
1478a9158
155092d34
hex36c22ea

57418474 has 4 divisors (see below), whose sum is σ = 86127714. Its totient is φ = 28709236.

The previous prime is 57418453. The next prime is 57418477. The reversal of 57418474 is 47481475.

It is a happy number.

57418474 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 can be written as a sum of positive squares in only one way, i.e., 55577025 + 1841449 = 7455^2 + 1357^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (57418477) 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 as a sum of consecutive naturals, namely, 14354617 + ... + 14354620.

Almost surely, 257418474 is an apocalyptic number.

57418474 is a deficient number, since it is larger than the sum of its proper divisors (28709240).

57418474 is a wasteful number, since it uses less digits than its factorization.

57418474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28709239.

The product of its digits is 125440, while the sum is 40.

The square root of 57418474 is about 7577.4978719891. The cubic root of 57418474 is about 385.7896291645.

The spelling of 57418474 in words is "fifty-seven million, four hundred eighteen thousand, four hundred seventy-four".

Divisors: 1 2 28709237 57418474