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242250571 = 1311849241
BaseRepresentation
bin11100111000001…
…11001101001011
3121212211121022101
432130013031023
5444004004241
640012134231
76001044613
oct1634071513
9555747271
10242250571
11114820492
1269167377
133b25b344
142425da43
1516402e31
hexe70734b

242250571 has 4 divisors (see below), whose sum is σ = 244099944. Its totient is φ = 240401200.

The previous prime is 242250539. The next prime is 242250583. The reversal of 242250571 is 175052242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 175052242 = 287526121.

It is a cyclic number.

It is not a de Polignac number, because 242250571 - 25 = 242250539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242250511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924490 + ... + 924751.

It is an arithmetic number, because the mean of its divisors is an integer number (61024986).

Almost surely, 2242250571 is an apocalyptic number.

242250571 is a deficient number, since it is larger than the sum of its proper divisors (1849373).

242250571 is a wasteful number, since it uses less digits than its factorization.

242250571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849372.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 242250571 is about 15564.4007594253. The cubic root of 242250571 is about 623.3829738905.

The spelling of 242250571 in words is "two hundred forty-two million, two hundred fifty thousand, five hundred seventy-one".

Divisors: 1 131 1849241 242250571