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242408269 is a prime number
BaseRepresentation
bin11100111001011…
…01101101001101
3121220010121122001
432130231231031
5444024031034
640015352301
76002302435
oct1634555515
9556117561
10242408269
11114918a14
1269222691
133b2b505c
14242a12c5
1516434a14
hexe72db4d

242408269 has 2 divisors, whose sum is σ = 242408270. Its totient is φ = 242408268.

The previous prime is 242408263. The next prime is 242408279. The reversal of 242408269 is 962804242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232410025 + 9998244 = 15245^2 + 3162^2 .

It is a cyclic number.

It is not a de Polignac number, because 242408269 - 25 = 242408237 is a prime.

It is a super-2 number, since 2×2424082692 = 117523537759152722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242408263) 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, 121204134 + 121204135.

It is an arithmetic number, because the mean of its divisors is an integer number (121204135).

Almost surely, 2242408269 is an apocalyptic number.

It is an amenable number.

242408269 is a deficient number, since it is larger than the sum of its proper divisors (1).

242408269 is an equidigital number, since it uses as much as digits as its factorization.

242408269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 242408269 is about 15569.4659189068. The cubic root of 242408269 is about 623.5182125459.

The spelling of 242408269 in words is "two hundred forty-two million, four hundred eight thousand, two hundred sixty-nine".