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242360081 is a prime number
BaseRepresentation
bin11100111001000…
…01111100010001
3121220001011112022
432130201330101
5444021010311
640014341225
76002012105
oct1634417421
9556034468
10242360081
11114895797
12691ba815
133b299142
142428b905
15164255db
hexe721f11

242360081 has 2 divisors, whose sum is σ = 242360082. Its totient is φ = 242360080.

The previous prime is 242360057. The next prime is 242360119. The reversal of 242360081 is 180063242.

242360081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177315856 + 65044225 = 13316^2 + 8065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242360081 is a prime.

It is a super-2 number, since 2×2423600812 = 117476817724653122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242360081.

It is not a weakly prime, because it can be changed into another prime (242360011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121180040 + 121180041.

It is an arithmetic number, because the mean of its divisors is an integer number (121180041).

Almost surely, 2242360081 is an apocalyptic number.

It is an amenable number.

242360081 is a deficient number, since it is larger than the sum of its proper divisors (1).

242360081 is an equidigital number, since it uses as much as digits as its factorization.

242360081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 242360081 is about 15567.9183258392. The cubic root of 242360081 is about 623.4768937040.

The spelling of 242360081 in words is "two hundred forty-two million, three hundred sixty thousand, eighty-one".