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57146329 = 232484623
BaseRepresentation
bin1101100111111…
…1101111011001
310222112100000201
43121333233121
5104112140304
65400502201
71262510242
oct331775731
9128470021
1057146329
112a291979
121717a961
13babb0c6
147837cc9
15503c3a4
hex367fbd9

57146329 has 4 divisors (see below), whose sum is σ = 59630976. Its totient is φ = 54661684.

The previous prime is 57146321. The next prime is 57146339. The reversal of 57146329 is 92364175.

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 57146329 - 23 = 57146321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57146321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242289 + ... + 1242334.

It is an arithmetic number, because the mean of its divisors is an integer number (14907744).

Almost surely, 257146329 is an apocalyptic number.

It is an amenable number.

57146329 is a deficient number, since it is larger than the sum of its proper divisors (2484647).

57146329 is a wasteful number, since it uses less digits than its factorization.

57146329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484646.

The product of its digits is 45360, while the sum is 37.

The square root of 57146329 is about 7559.5190984612. The cubic root of 57146329 is about 385.1791576358.

It can be divided in two parts, 57146 and 329, that added together give a palindrome (57475).

The spelling of 57146329 in words is "fifty-seven million, one hundred forty-six thousand, three hundred twenty-nine".

Divisors: 1 23 2484623 57146329