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242302320 = 24335138629
BaseRepresentation
bin11100111000100…
…11110101110000
3121212221020022000
432130103311300
5444012133240
640013214000
76001351521
oct1634236560
9555836260
10242302320
11114856357
1269191300
133b278a70
1424274848
1516413430
hexe713d70

242302320 has 160 divisors (see below), whose sum is σ = 898900800. Its totient is φ = 59636736.

The previous prime is 242302303. The next prime is 242302331. The reversal of 242302320 is 23203242.

242302320 is a `hidden beast` number, since 2 + 42 + 302 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 242302293 and 242302302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23766 + ... + 32394.

It is an arithmetic number, because the mean of its divisors is an integer number (5618130).

Almost surely, 2242302320 is an apocalyptic number.

242302320 is a gapful number since it is divisible by the number (20) 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 242302320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449450400).

242302320 is an abundant number, since it is smaller than the sum of its proper divisors (656598480).

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

242302320 is a wasteful number, since it uses less digits than its factorization.

242302320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664 (or 8652 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 242302320 is about 15566.0630860857. The cubic root of 242302320 is about 623.4273592675.

Adding to 242302320 its reverse (23203242), we get a palindrome (265505562).

The spelling of 242302320 in words is "two hundred forty-two million, three hundred two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 36 39 40 45 48 52 54 60 65 72 78 80 90 104 108 117 120 130 135 144 156 180 195 208 216 234 240 260 270 312 351 360 390 432 468 520 540 585 624 702 720 780 936 1040 1080 1170 1404 1560 1755 1872 2160 2340 2808 3120 3510 4680 5616 7020 8629 9360 14040 17258 25887 28080 34516 43145 51774 69032 77661 86290 103548 112177 129435 138064 155322 172580 207096 224354 232983 258870 310644 336531 345160 388305 414192 448708 465966 517740 560885 621288 673062 690320 776610 897416 931932 1009593 1035480 1121770 1164915 1242576 1346124 1553220 1682655 1794832 1863864 2019186 2070960 2243540 2329830 2692248 3028779 3106440 3365310 3727728 4038372 4487080 4659660 5047965 5384496 6057558 6212880 6730620 8076744 8974160 9319320 10095930 12115116 13461240 15143895 16153488 18638640 20191860 24230232 26922480 30287790 40383720 48460464 60575580 80767440 121151160 242302320