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57404329 = 158336263
BaseRepresentation
bin1101101011111…
…0101110101001
311000000102221021
43122332232221
5104143414304
65410212441
71264633363
oct332765651
9130012837
1057404329
112a4487a4
1217284121
13bb7b678
1478a3d33
15508da54
hex36beba9

57404329 has 4 divisors (see below), whose sum is σ = 57442176. Its totient is φ = 57366484.

The previous prime is 57404317. The next prime is 57404407. The reversal of 57404329 is 92340475.

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 57404329 - 29 = 57403817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57404294 and 57404303.

It is not an unprimeable number, because it can be changed into a prime (57404029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16549 + ... + 19714.

It is an arithmetic number, because the mean of its divisors is an integer number (14360544).

Almost surely, 257404329 is an apocalyptic number.

It is an amenable number.

57404329 is a deficient number, since it is larger than the sum of its proper divisors (37847).

57404329 is a wasteful number, since it uses less digits than its factorization.

57404329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37846.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 57404329 is about 7576.5644589088. The cubic root of 57404329 is about 385.7579468963.

The spelling of 57404329 in words is "fifty-seven million, four hundred four thousand, three hundred twenty-nine".

Divisors: 1 1583 36263 57404329