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242024665 = 5172847349
BaseRepresentation
bin11100110110100…
…00000011011001
3121212102010102111
432123100003121
5443424242130
640003232321
75666114161
oct1633200331
9555363374
10242024665
11114686793
12690786a1
133b1ac57c
14242015a1
15163ab02a
hexe6d00d9

242024665 has 8 divisors (see below), whose sum is σ = 307513800. Its totient is φ = 182230272.

The previous prime is 242024639. The next prime is 242024689. The reversal of 242024665 is 566420242.

It can be written as a sum of positive squares in 4 ways, for example, as 120209296 + 121815369 = 10964^2 + 11037^2 .

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 242024665 - 211 = 242022617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423590 + ... + 1423759.

It is an arithmetic number, because the mean of its divisors is an integer number (38439225).

Almost surely, 2242024665 is an apocalyptic number.

It is an amenable number.

242024665 is a deficient number, since it is larger than the sum of its proper divisors (65489135).

242024665 is a wasteful number, since it uses less digits than its factorization.

242024665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847371.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 242024665 is about 15557.1419290305. The cubic root of 242024665 is about 623.1891391199.

The spelling of 242024665 in words is "two hundred forty-two million, twenty-four thousand, six hundred sixty-five".

Divisors: 1 5 17 85 2847349 14236745 48404933 242024665