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57487007 is a prime number
BaseRepresentation
bin1101101101001…
…0111010011111
311000011122100102
43123102322133
5104204041012
65412051315
71265426414
oct333227237
9130148312
1057487007
112a4a4926
1217303b3b
13bbaa1a6
1478c610b
1550a82c2
hex36d2e9f

57487007 has 2 divisors, whose sum is σ = 57487008. Its totient is φ = 57487006.

The previous prime is 57486997. The next prime is 57487009. The reversal of 57487007 is 70078475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57487007 - 26 = 57486943 is a prime.

Together with 57487009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57487009) 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 as a sum of consecutive naturals, namely, 28743503 + 28743504.

It is an arithmetic number, because the mean of its divisors is an integer number (28743504).

Almost surely, 257487007 is an apocalyptic number.

57487007 is a deficient number, since it is larger than the sum of its proper divisors (1).

57487007 is an equidigital number, since it uses as much as digits as its factorization.

57487007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 57487007 is about 7582.0186625990. The cubic root of 57487007 is about 385.9430571858.

The spelling of 57487007 in words is "fifty-seven million, four hundred eighty-seven thousand, seven".