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242423565 = 351923311193
BaseRepresentation
bin11100111001100…
…01011100001101
3121220011101121120
432130301130031
5444030023230
640015551153
76002365146
oct1634613415
9556141546
10242423565
1111492945a
126922b4b9
133b2bbcc7
14242a6acd
1516439310
hexe73170d

242423565 has 64 divisors (see below), whose sum is σ = 440156160. Its totient is φ = 113287680.

The previous prime is 242423563. The next prime is 242423579. The reversal of 242423565 is 565324242.

It is a happy number.

It is not a de Polignac number, because 242423565 - 21 = 242423563 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242423563) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 202609 + ... + 203801.

It is an arithmetic number, because the mean of its divisors is an integer number (6877440).

Almost surely, 2242423565 is an apocalyptic number.

It is an amenable number.

242423565 is a deficient number, since it is larger than the sum of its proper divisors (197732595).

242423565 is a wasteful number, since it uses less digits than its factorization.

242423565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274.

The product of its digits is 57600, while the sum is 33.

The square root of 242423565 is about 15569.9571290354. The cubic root of 242423565 is about 623.5313269692.

The spelling of 242423565 in words is "two hundred forty-two million, four hundred twenty-three thousand, five hundred sixty-five".

Divisors: 1 3 5 15 19 23 31 57 69 93 95 115 155 285 345 437 465 589 713 1193 1311 1767 2139 2185 2945 3565 3579 5965 6555 8835 10695 13547 17895 22667 27439 36983 40641 67735 68001 82317 110949 113335 137195 184915 203205 340005 411585 521341 554745 702677 850609 1564023 2108031 2551827 2606705 3513385 4253045 7820115 10540155 12759135 16161571 48484713 80807855 242423565