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57443049 = 3259108179
BaseRepresentation
bin1101101100100…
…0001011101001
311000002102001100
43123020023221
5104201134144
65411112013
71265154306
oct333101351
9130072040
1057443049
112a4748a4
12172a2609
13bb93191
1478b40ad
15509a269
hex36c82e9

57443049 has 12 divisors (see below), whose sum is σ = 84380400. Its totient is φ = 37645944.

The previous prime is 57443041. The next prime is 57443081. The reversal of 57443049 is 94034475.

57443049 is a `hidden beast` number, since 574 + 43 + 0 + 49 = 666.

57443049 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 57443049 - 23 = 57443041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57443041) 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 11 ways as a sum of consecutive naturals, for example, 53559 + ... + 54620.

It is an arithmetic number, because the mean of its divisors is an integer number (7031700).

Almost surely, 257443049 is an apocalyptic number.

57443049 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

57443049 is a deficient number, since it is larger than the sum of its proper divisors (26937351).

57443049 is a wasteful number, since it uses less digits than its factorization.

57443049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108244 (or 108241 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 57443049 is about 7579.1192760109. The cubic root of 57443049 is about 385.8446603953.

The spelling of 57443049 in words is "fifty-seven million, four hundred forty-three thousand, forty-nine".

Divisors: 1 3 9 59 177 531 108179 324537 973611 6382561 19147683 57443049