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242684437 is a prime number
BaseRepresentation
bin11100111011100…
…01001000010101
3121220122122110111
432131301020111
5444111400222
640025323021
76004532542
oct1635611025
9556578414
10242684437
11114a97456
1269336471
133b380978
1424333bc9
151648b777
hexe771215

242684437 has 2 divisors, whose sum is σ = 242684438. Its totient is φ = 242684436.

The previous prime is 242684423. The next prime is 242684483. The reversal of 242684437 is 734486242.

242684437 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 can be written as a sum of positive squares in only one way, i.e., 146918641 + 95765796 = 12121^2 + 9786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242684437 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242684437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242684417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121342218 + 121342219.

It is an arithmetic number, because the mean of its divisors is an integer number (121342219).

Almost surely, 2242684437 is an apocalyptic number.

It is an amenable number.

242684437 is a deficient number, since it is larger than the sum of its proper divisors (1).

242684437 is an equidigital number, since it uses as much as digits as its factorization.

242684437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 40.

The square root of 242684437 is about 15578.3322920010. The cubic root of 242684437 is about 623.7549074785.

The spelling of 242684437 in words is "two hundred forty-two million, six hundred eighty-four thousand, four hundred thirty-seven".