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242106165 = 3457234779
BaseRepresentation
bin11100110111000…
…11111100110101
3121212120021020000
432123203330311
5443434344130
640005101513
75666603610
oct1633437465
9555507200
10242106165
11114731a44
12690b7899
133b20a6b2
1424223177
15163c5260
hexe6e3f35

242106165 has 160 divisors (see below), whose sum is σ = 535265280. Its totient is φ = 102301056.

The previous prime is 242106157. The next prime is 242106203. The reversal of 242106165 is 561601242.

242106165 is a `hidden beast` number, since 2 + 42 + 1 + 0 + 616 + 5 = 666.

It is not a de Polignac number, because 242106165 - 23 = 242106157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3064596 + ... + 3064674.

It is an arithmetic number, because the mean of its divisors is an integer number (3345408).

Almost surely, 2242106165 is an apocalyptic number.

It is an amenable number.

242106165 is an abundant number, since it is smaller than the sum of its proper divisors (293159115).

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

242106165 is a wasteful number, since it uses less digits than its factorization.

242106165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 242106165 is about 15559.7610842840. The cubic root of 242106165 is about 623.2590827003.

The spelling of 242106165 in words is "two hundred forty-two million, one hundred six thousand, one hundred sixty-five".

Divisors: 1 3 5 7 9 15 21 23 27 35 45 47 63 69 79 81 105 115 135 141 161 189 207 235 237 315 329 345 395 405 423 483 553 567 621 705 711 805 945 987 1035 1081 1185 1269 1449 1645 1659 1817 1863 2115 2133 2415 2765 2835 2961 3105 3243 3555 3713 3807 4347 4935 4977 5405 5451 6345 6399 7245 7567 8295 8883 9085 9315 9729 10665 11139 12719 13041 14805 14931 16215 16353 18565 19035 21735 22701 24885 25991 26649 27255 29187 31995 33417 37835 38157 44415 44793 48645 49059 55695 63595 65205 68103 74655 77973 81765 85399 87561 100251 113505 114471 129955 133245 145935 147177 167085 190785 204309 223965 233919 245295 256197 300753 340515 343413 389865 426995 437805 501255 572355 597793 612927 701757 735885 768591 1021545 1030239 1169595 1280985 1503765 1717065 1793379 2105271 2305773 2988965 3064635 3508785 3842955 5151195 5380137 6917319 8966895 10526355 11528865 16140411 26900685 34586595 48421233 80702055 242106165