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242393168 = 2453285841
BaseRepresentation
bin11100111001010…
…10000001010000
3121220002211220202
432130222001100
5444023040133
640015154332
76002210423
oct1634520120
9556084822
10242393168
11114908636
12692159a8
133b2ab214
14242999ba
15164302e8
hexe72a050

242393168 has 20 divisors (see below), whose sum is σ = 478499508. Its totient is φ = 118909440.

The previous prime is 242393149. The next prime is 242393171. The reversal of 242393168 is 861393242.

It can be written as a sum of positive squares in 2 ways, for example, as 185722384 + 56670784 = 13628^2 + 7528^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142073 + ... + 143768.

Almost surely, 2242393168 is an apocalyptic number.

It is an amenable number.

242393168 is a deficient number, since it is larger than the sum of its proper divisors (236106340).

242393168 is a wasteful number, since it uses less digits than its factorization.

242393168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285902 (or 285896 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 242393168 is about 15568.9809557337. The cubic root of 242393168 is about 623.5052647697.

The spelling of 242393168 in words is "two hundred forty-two million, three hundred ninety-three thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 53 106 212 424 848 285841 571682 1143364 2286728 4573456 15149573 30299146 60598292 121196584 242393168