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57670057 is a prime number
BaseRepresentation
bin1101101111111…
…1100110101001
311000111221110001
43123333212221
5104230420212
65420023001
71300121164
oct333774651
9130457401
1057670057
112a60a405
1217391a61
13bc425c3
147932adb
1550e2657
hex36ff9a9

57670057 has 2 divisors, whose sum is σ = 57670058. Its totient is φ = 57670056.

The previous prime is 57670051. The next prime is 57670097. The reversal of 57670057 is 75007675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53158681 + 4511376 = 7291^2 + 2124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57670057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57669998 and 57670025.

It is not a weakly prime, because it can be changed into another prime (57670051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28835028 + 28835029.

It is an arithmetic number, because the mean of its divisors is an integer number (28835029).

Almost surely, 257670057 is an apocalyptic number.

It is an amenable number.

57670057 is a deficient number, since it is larger than the sum of its proper divisors (1).

57670057 is an equidigital number, since it uses as much as digits as its factorization.

57670057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 57670057 is about 7594.0803919895. The cubic root of 57670057 is about 386.3522628373.

The spelling of 57670057 in words is "fifty-seven million, six hundred seventy thousand, fifty-seven".