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242922241 = 299786357
BaseRepresentation
bin11100111101010…
…11001100000001
3121221002201200001
432132223030001
5444142002431
640034400001
76006543052
oct1636531401
9557081601
10242922241
1111513a091
1269430001
133b434c93
1424396729
15164d6e61
hexe7ab301

242922241 has 8 divisors (see below), whose sum is σ = 253892520. Its totient is φ = 232124928.

The previous prime is 242922233. The next prime is 242922259. The reversal of 242922241 is 142229242.

242922241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 50822641 + 192099600 = 7129^2 + 13860^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242922241 - 23 = 242922233 is a prime.

It is a super-2 number, since 2×2429222412 = 118022430344924162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242922221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40366 + ... + 45991.

It is an arithmetic number, because the mean of its divisors is an integer number (31736565).

Almost surely, 2242922241 is an apocalyptic number.

It is an amenable number.

242922241 is a deficient number, since it is larger than the sum of its proper divisors (10970279).

242922241 is an equidigital number, since it uses as much as digits as its factorization.

242922241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86483.

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

The square root of 242922241 is about 15585.9629474730. The cubic root of 242922241 is about 623.9585779881.

The spelling of 242922241 in words is "two hundred forty-two million, nine hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 29 97 2813 86357 2504353 8376629 242922241