Search a number
-
+
242566279 is a prime number
BaseRepresentation
bin11100111010101…
…00010010000111
3121220102122101021
432131110102013
5444044110104
640023012011
76003531214
oct1635242207
9556378337
10242566279
11114a166aa
126929a007
133b33bc57
1424302b0b
1516466754
hexe754487

242566279 has 2 divisors, whose sum is σ = 242566280. Its totient is φ = 242566278.

The previous prime is 242566273. The next prime is 242566333. The reversal of 242566279 is 972665242.

242566279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242566279 - 213 = 242558087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242566273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121283139 + 121283140.

It is an arithmetic number, because the mean of its divisors is an integer number (121283140).

Almost surely, 2242566279 is an apocalyptic number.

242566279 is a deficient number, since it is larger than the sum of its proper divisors (1).

242566279 is an equidigital number, since it uses as much as digits as its factorization.

242566279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 242566279 is about 15574.5394474443. The cubic root of 242566279 is about 623.6536599521.

The spelling of 242566279 in words is "two hundred forty-two million, five hundred sixty-six thousand, two hundred seventy-nine".