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39020057 is a prime number
BaseRepresentation
bin1001010011011…
…0011000011001
32201102102110022
42110312120121
534442120212
63512200225
7652444046
oct224663031
981372408
1039020057
112003138a
1211099075
1381127bb
14527a1cd
15365b772
hex2536619

39020057 has 2 divisors, whose sum is σ = 39020058. Its totient is φ = 39020056.

The previous prime is 39019999. The next prime is 39020071. The reversal of 39020057 is 75002093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20106256 + 18913801 = 4484^2 + 4349^2 .

It is a cyclic number.

It is not a de Polignac number, because 39020057 - 28 = 39019801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39020077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19510028 + 19510029.

It is an arithmetic number, because the mean of its divisors is an integer number (19510029).

Almost surely, 239020057 is an apocalyptic number.

It is an amenable number.

39020057 is a deficient number, since it is larger than the sum of its proper divisors (1).

39020057 is an equidigital number, since it uses as much as digits as its factorization.

39020057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 39020057 is about 6246.6036371776. The cubic root of 39020057 is about 339.1792689776.

The spelling of 39020057 in words is "thirty-nine million, twenty thousand, fifty-seven".