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242420419 is a prime number
BaseRepresentation
bin11100111001100…
…00101011000011
3121220011020022001
432130300223003
5444024423134
640015524431
76002353033
oct1634605303
9556136261
10242420419
1111492705a
1269229717
133b2ba747
14242a58c3
1516438414
hexe730ac3

242420419 has 2 divisors, whose sum is σ = 242420420. Its totient is φ = 242420418.

The previous prime is 242420393. The next prime is 242420441. The reversal of 242420419 is 914024242.

242420419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242420419 - 27 = 242420291 is a prime.

It is a super-2 number, since 2×2424204192 = 117535319096271122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242420489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121210209 + 121210210.

It is an arithmetic number, because the mean of its divisors is an integer number (121210210).

Almost surely, 2242420419 is an apocalyptic number.

242420419 is a deficient number, since it is larger than the sum of its proper divisors (1).

242420419 is an equidigital number, since it uses as much as digits as its factorization.

242420419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 242420419 is about 15569.8561008122. The cubic root of 242420419 is about 623.5286297094.

The spelling of 242420419 in words is "two hundred forty-two million, four hundred twenty thousand, four hundred nineteen".