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242414189 = 929260941
BaseRepresentation
bin11100111001011…
…11001001101101
3121220010220202022
432130233021231
5444024223224
640015435525
76002325623
oct1634571155
9556126668
10242414189
11114922406
1269225ba5
133b2b7964
14242a3513
151643665e
hexe72f26d

242414189 has 4 divisors (see below), whose sum is σ = 242676060. Its totient is φ = 242152320.

The previous prime is 242414173. The next prime is 242414191. The reversal of 242414189 is 981414242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 981414242 = 2490707121.

It can be written as a sum of positive squares in 2 ways, for example, as 124322500 + 118091689 = 11150^2 + 10867^2 .

It is a cyclic number.

It is not a de Polignac number, because 242414189 - 24 = 242414173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242414119) 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 in 3 ways as a sum of consecutive naturals, for example, 129542 + ... + 131399.

It is an arithmetic number, because the mean of its divisors is an integer number (60669015).

Almost surely, 2242414189 is an apocalyptic number.

It is an amenable number.

242414189 is a deficient number, since it is larger than the sum of its proper divisors (261871).

242414189 is an equidigital number, since it uses as much as digits as its factorization.

242414189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261870.

The product of its digits is 18432, while the sum is 35.

The square root of 242414189 is about 15569.6560334517. The cubic root of 242414189 is about 623.5232882772.

The spelling of 242414189 in words is "two hundred forty-two million, four hundred fourteen thousand, one hundred eighty-nine".

Divisors: 1 929 260941 242414189