Search a number
-
+
39080281 is a prime number
BaseRepresentation
bin1001010100010…
…1000101011001
32201112111001211
42111011011121
540001032111
63513343121
7653114452
oct225050531
981474054
1039080281
1120072659
1211107aa1
138134036
145294129
15366e521
hex2545159

39080281 has 2 divisors, whose sum is σ = 39080282. Its totient is φ = 39080280.

The previous prime is 39080231. The next prime is 39080287. The reversal of 39080281 is 18208093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34327881 + 4752400 = 5859^2 + 2180^2 .

It is a cyclic number.

It is not a de Polignac number, because 39080281 - 211 = 39078233 is a prime.

It is a super-2 number, since 2×390802812 = 3054536726077922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39080287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19540140 + 19540141.

It is an arithmetic number, because the mean of its divisors is an integer number (19540141).

Almost surely, 239080281 is an apocalyptic number.

It is an amenable number.

39080281 is a deficient number, since it is larger than the sum of its proper divisors (1).

39080281 is an equidigital number, since it uses as much as digits as its factorization.

39080281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 39080281 is about 6251.4223181609. The cubic root of 39080281 is about 339.3536769951.

The spelling of 39080281 in words is "thirty-nine million, eighty thousand, two hundred eighty-one".