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57302066 = 2181158293
BaseRepresentation
bin1101101010010…
…1110000110010
310222211020122202
43122211300302
5104132131231
65404103202
71264026263
oct332456062
9128736582
1057302066
112a388988
1217234b02
13bb43c63
14787896a
15506d5cb
hex36a5c32

57302066 has 8 divisors (see below), whose sum is σ = 86428524. Its totient is φ = 28492560.

The previous prime is 57302033. The next prime is 57302083. The reversal of 57302066 is 66020375.

57302066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56685841 + 616225 = 7529^2 + 785^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 78785 + ... + 79508.

Almost surely, 257302066 is an apocalyptic number.

57302066 is a deficient number, since it is larger than the sum of its proper divisors (29126458).

57302066 is a wasteful number, since it uses less digits than its factorization.

57302066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158476.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 57302066 is about 7569.8128114241. The cubic root of 57302066 is about 385.5287411078.

The spelling of 57302066 in words is "fifty-seven million, three hundred two thousand, sixty-six".

Divisors: 1 2 181 362 158293 316586 28651033 57302066