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57723085 = 573153201
BaseRepresentation
bin1101110000110…
…0100011001101
311000121122012001
43130030203031
5104234114320
65421112301
71300431610
oct334144315
9130548161
1057723085
112a646232
12173b8691
13bc60794
147948177
15510320a
hex370c8cd

57723085 has 16 divisors (see below), whose sum is σ = 81718272. Its totient is φ = 38304000.

The previous prime is 57723067. The next prime is 57723089. The reversal of 57723085 is 58032775.

57723085 = 1262 + 1272 + ... + 5592.

57723085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57723085 - 29 = 57722573 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 (57723089) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25516 + ... + 27685.

It is an arithmetic number, because the mean of its divisors is an integer number (5107392).

Almost surely, 257723085 is an apocalyptic number.

It is an amenable number.

57723085 is a deficient number, since it is larger than the sum of its proper divisors (23995187).

57723085 is a wasteful number, since it uses less digits than its factorization.

57723085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53244.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 57723085 is about 7597.5709934163. The cubic root of 57723085 is about 386.4706443834.

The spelling of 57723085 in words is "fifty-seven million, seven hundred twenty-three thousand, eighty-five".

Divisors: 1 5 7 31 35 155 217 1085 53201 266005 372407 1649231 1862035 8246155 11544617 57723085