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57082783 = 194173277
BaseRepresentation
bin1101100111000…
…0001110011111
310222102002212011
43121300032133
5104103122113
65355252051
71262124052
oct331601637
9128362764
1057082783
112a24915a
121714a027
13ba981c4
14781ca99
15502863d
hex367039f

57082783 has 8 divisors (see below), whose sum is σ = 61553520. Its totient is φ = 52758720.

The previous prime is 57082777. The next prime is 57082799. The reversal of 57082783 is 38728075.

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

It is a cyclic number.

It is not a de Polignac number, because 57082783 - 221 = 54985631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57082733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35860 + ... + 37417.

It is an arithmetic number, because the mean of its divisors is an integer number (7694190).

Almost surely, 257082783 is an apocalyptic number.

57082783 is a deficient number, since it is larger than the sum of its proper divisors (4470737).

57082783 is a wasteful number, since it uses less digits than its factorization.

57082783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73337.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 57082783 is about 7555.3148842388. The cubic root of 57082783 is about 385.0363332214.

The spelling of 57082783 in words is "fifty-seven million, eighty-two thousand, seven hundred eighty-three".

Divisors: 1 19 41 779 73277 1392263 3004357 57082783