Search a number
-
+
242682487 is a prime number
BaseRepresentation
bin11100111011100…
…00101001110111
3121220122112210021
432131300221313
5444111314422
640025310011
76004524055
oct1635605167
9556575707
10242682487
11114a95a43
1269335307
133b37cb08
14243331d5
151648adc7
hexe770a77

242682487 has 2 divisors, whose sum is σ = 242682488. Its totient is φ = 242682486.

The previous prime is 242682439. The next prime is 242682541. The reversal of 242682487 is 784286242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242682487 - 219 = 242158199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242682887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121341243 + 121341244.

It is an arithmetic number, because the mean of its divisors is an integer number (121341244).

Almost surely, 2242682487 is an apocalyptic number.

242682487 is a deficient number, since it is larger than the sum of its proper divisors (1).

242682487 is an equidigital number, since it uses as much as digits as its factorization.

242682487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 43.

The square root of 242682487 is about 15578.2697049448. The cubic root of 242682487 is about 623.7532368243.

The spelling of 242682487 in words is "two hundred forty-two million, six hundred eighty-two thousand, four hundred eighty-seven".