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242494111 is a prime number
BaseRepresentation
bin11100111010000…
…10101010011111
3121220021222101101
432131002222133
5444034302421
640021253531
76003110626
oct1635025237
9556258341
10242494111
11114977462
12692642a7
133b315152
14242c46bd
1516450191
hexe742a9f

242494111 has 2 divisors, whose sum is σ = 242494112. Its totient is φ = 242494110.

The previous prime is 242494097. The next prime is 242494123. The reversal of 242494111 is 111494242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242494111 - 27 = 242493983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242494111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242494141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121247055 + 121247056.

It is an arithmetic number, because the mean of its divisors is an integer number (121247056).

Almost surely, 2242494111 is an apocalyptic number.

242494111 is a deficient number, since it is larger than the sum of its proper divisors (1).

242494111 is an equidigital number, since it uses as much as digits as its factorization.

242494111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 242494111 is about 15572.2224168550. Note that the first 3 decimals coincide. The cubic root of 242494111 is about 623.5918042786.

The spelling of 242494111 in words is "two hundred forty-two million, four hundred ninety-four thousand, one hundred eleven".