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242201242 = 2121100621
BaseRepresentation
bin11100110111110…
…11001010011010
3121212202002122101
432123323022122
5444000414432
640011114014
76000451033
oct1633731232
9555662571
10242201242
11114797418
126914290a
133b241a5a
1424249a8a
15163e34e7
hexe6fb29a

242201242 has 4 divisors (see below), whose sum is σ = 363301866. Its totient is φ = 121100620.

The previous prime is 242201213. The next prime is 242201257. The reversal of 242201242 is 242102242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242102242 = 2121051121.

It can be written as a sum of positive squares in only one way, i.e., 201611601 + 40589641 = 14199^2 + 6371^2 .

It is a super-2 number, since 2×2422012422 = 117322883252685128, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 60550309 + ... + 60550312.

Almost surely, 2242201242 is an apocalyptic number.

242201242 is a deficient number, since it is larger than the sum of its proper divisors (121100624).

242201242 is a wasteful number, since it uses less digits than its factorization.

242201242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121100623.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 242201242 is about 15562.8160048238. The cubic root of 242201242 is about 623.3406582748.

Adding to 242201242 its reverse (242102242), we get a palindrome (484303484).

The spelling of 242201242 in words is "two hundred forty-two million, two hundred one thousand, two hundred forty-two".

Divisors: 1 2 121100621 242201242