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242022642 = 23173176541
BaseRepresentation
bin11100110110011…
…11100011110010
3121212102000122120
432123033203302
5443424211032
640003215110
75666105241
oct1633174362
9555360576
10242022642
11114685214
1269077496
133b1ab684
1424200958
15163aa62c
hexe6cf8f2

242022642 has 32 divisors (see below), whose sum is σ = 529058304. Its totient is φ = 73478400.

The previous prime is 242022623. The next prime is 242022647. The reversal of 242022642 is 246220242.

It is not an unprimeable number, because it can be changed into a prime (242022647) 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 15 ways as a sum of consecutive naturals, for example, 35109 + ... + 41432.

It is an arithmetic number, because the mean of its divisors is an integer number (16533072).

Almost surely, 2242022642 is an apocalyptic number.

242022642 is an abundant number, since it is smaller than the sum of its proper divisors (287035662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242022642 is a wasteful number, since it uses less digits than its factorization.

242022642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76594.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 242022642 is about 15557.0769105253. The cubic root of 242022642 is about 623.1874027746.

Adding to 242022642 its reverse (246220242), we get a palindrome (488242884).

The spelling of 242022642 in words is "two hundred forty-two million, twenty-two thousand, six hundred forty-two".

Divisors: 1 2 3 6 17 31 34 51 62 93 102 186 527 1054 1581 3162 76541 153082 229623 459246 1301197 2372771 2602394 3903591 4745542 7118313 7807182 14236626 40337107 80674214 121011321 242022642