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57082033 = 57798929
BaseRepresentation
bin1101100111000…
…0000010110001
310222102001211101
43121300002301
5104103111113
65355244401
71262121631
oct331600261
9128361741
1057082033
112a248638
1217149701
13ba97a68
14781c6c1
1550282dd
hex36700b1

57082033 has 4 divisors (see below), whose sum is σ = 57181540. Its totient is φ = 56982528.

The previous prime is 57081961. The next prime is 57082097. The reversal of 57082033 is 33028075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36759969 + 20322064 = 6063^2 + 4508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57082033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57081992 and 57082010.

It is not an unprimeable number, because it can be changed into a prime (57082133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48888 + ... + 50041.

It is an arithmetic number, because the mean of its divisors is an integer number (14295385).

Almost surely, 257082033 is an apocalyptic number.

It is an amenable number.

57082033 is a deficient number, since it is larger than the sum of its proper divisors (99507).

57082033 is an equidigital number, since it uses as much as digits as its factorization.

57082033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99506.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 57082033 is about 7555.2652501418. The cubic root of 57082033 is about 385.0346469073.

The spelling of 57082033 in words is "fifty-seven million, eighty-two thousand, thirty-three".

Divisors: 1 577 98929 57082033