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57143763 = 3261104087
BaseRepresentation
bin1101100111111…
…1000111010011
310222112012111200
43121333013103
5104112100023
65400442243
71262466615
oct331770723
9128465450
1057143763
112a28aa56
1217179383
13bab9ba1
147836db5
15503b743
hex367f1d3

57143763 has 12 divisors (see below), whose sum is σ = 83894928. Its totient is φ = 37470960.

The previous prime is 57143759. The next prime is 57143771. The reversal of 57143763 is 36734175.

It is not a de Polignac number, because 57143763 - 22 = 57143759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57143363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51495 + ... + 52592.

It is an arithmetic number, because the mean of its divisors is an integer number (6991244).

Almost surely, 257143763 is an apocalyptic number.

57143763 is a deficient number, since it is larger than the sum of its proper divisors (26751165).

57143763 is a wasteful number, since it uses less digits than its factorization.

57143763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104154 (or 104151 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 57143763 is about 7559.3493767652. The cubic root of 57143763 is about 385.1733924097.

The spelling of 57143763 in words is "fifty-seven million, one hundred forty-three thousand, seven hundred sixty-three".

Divisors: 1 3 9 61 183 549 104087 312261 936783 6349307 19047921 57143763