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242521341 = 380840447
BaseRepresentation
bin11100111010010…
…01010011111101
3121220100100201220
432131021103331
5444041140331
640022023553
76003253206
oct1635112375
9556310656
10242521341
11114995967
1269277bb9
133b32466a
14242d05ad
1516458296
hexe7494fd

242521341 has 4 divisors (see below), whose sum is σ = 323361792. Its totient is φ = 161680892.

The previous prime is 242521319. The next prime is 242521369. The reversal of 242521341 is 143125242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242521341 - 25 = 242521309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242521141) 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, 40420221 + ... + 40420226.

It is an arithmetic number, because the mean of its divisors is an integer number (80840448).

Almost surely, 2242521341 is an apocalyptic number.

It is an amenable number.

242521341 is a deficient number, since it is larger than the sum of its proper divisors (80840451).

242521341 is an equidigital number, since it uses as much as digits as its factorization.

242521341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80840450.

The product of its digits is 1920, while the sum is 24.

The square root of 242521341 is about 15573.0967055368. The cubic root of 242521341 is about 623.6151447345.

Adding to 242521341 its reverse (143125242), we get a palindrome (385646583).

The spelling of 242521341 in words is "two hundred forty-two million, five hundred twenty-one thousand, three hundred forty-one".

Divisors: 1 3 80840447 242521341