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242003664 = 24327409587
BaseRepresentation
bin11100110110010…
…10111011010000
3121212101001121200
432123022323100
5443423104124
640002551200
75665666020
oct1633127320
9555331550
10242003664
11114671a31
1269068500
133b1a2b46
14241d7a80
15163a4bc9
hexe6caed0

242003664 has 120 divisors (see below), whose sum is σ = 777241920. Its totient is φ = 68857344.

The previous prime is 242003647. The next prime is 242003669. The reversal of 242003664 is 466300242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242003669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411979 + ... + 412565.

It is an arithmetic number, because the mean of its divisors is an integer number (6477016).

Almost surely, 2242003664 is an apocalyptic number.

242003664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242003664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388620960).

242003664 is an abundant number, since it is smaller than the sum of its proper divisors (535238256).

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

242003664 is a wasteful number, since it uses less digits than its factorization.

242003664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 242003664 is about 15556.4669510786. The cubic root of 242003664 is about 623.1711134451.

The spelling of 242003664 in words is "two hundred forty-two million, three thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 409 504 587 818 1008 1174 1227 1636 1761 2348 2454 2863 3272 3522 3681 4109 4696 4908 5283 5726 6544 7044 7362 8218 8589 9392 9816 10566 11452 12327 14088 14724 16436 17178 19632 21132 22904 24654 25767 28176 29448 32872 34356 36981 42264 45808 49308 51534 58896 65744 68712 73962 84528 98616 103068 137424 147924 197232 206136 240083 295848 412272 480166 591696 720249 960332 1440498 1680581 1920664 2160747 2880996 3361162 3841328 4321494 5041743 5761992 6722324 8642988 10083486 11523984 13444648 15125229 17285976 20166972 26889296 30250458 34571952 40333944 60500916 80667888 121001832 242003664