Search a number
-
+
242130043 is a prime number
BaseRepresentation
bin11100110111010…
…01110001111011
3121212121110222101
432123221301323
5443441130133
640005404231
76000033331
oct1633516173
9555543871
10242130043
11114748981
1269109677
133b21851c
142422bb51
15163cc37d
hexe6e9c7b

242130043 has 2 divisors, whose sum is σ = 242130044. Its totient is φ = 242130042.

The previous prime is 242130029. The next prime is 242130059. The reversal of 242130043 is 340031242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242130043 - 217 = 241998971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242130043.

It is not a weakly prime, because it can be changed into another prime (242130013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121065021 + 121065022.

It is an arithmetic number, because the mean of its divisors is an integer number (121065022).

Almost surely, 2242130043 is an apocalyptic number.

242130043 is a deficient number, since it is larger than the sum of its proper divisors (1).

242130043 is an equidigital number, since it uses as much as digits as its factorization.

242130043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 242130043 is about 15560.5283650652. The cubic root of 242130043 is about 623.2795719089.

Adding to 242130043 its reverse (340031242), we get a palindrome (582161285).

The spelling of 242130043 in words is "two hundred forty-two million, one hundred thirty thousand, forty-three".