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288427068 = 22341946853
BaseRepresentation
bin10001001100010…
…000110000111100
3202002201121120000
4101030100300330
51042314131233
644341554300
710101406146
oct2114206074
9662647500
10288427068
1113889a586
1280715990
13479a8307
142a43dc96
151a4c4d13
hex11310c3c

288427068 has 60 divisors (see below), whose sum is σ = 793706760. Its totient is φ = 91080288.

The previous prime is 288427067. The next prime is 288427121. The reversal of 288427068 is 860724882.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288427067) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 17271 + ... + 29582.

It is an arithmetic number, because the mean of its divisors is an integer number (13228446).

Almost surely, 2288427068 is an apocalyptic number.

It is an amenable number.

288427068 is an abundant number, since it is smaller than the sum of its proper divisors (505279692).

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

288427068 is a wasteful number, since it uses less digits than its factorization.

288427068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46888 (or 46877 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 288427068 is about 16983.1406989402. The cubic root of 288427068 is about 660.7117115881.

The spelling of 288427068 in words is "two hundred eighty-eight million, four hundred twenty-seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 81 108 114 162 171 228 324 342 513 684 1026 1539 2052 3078 6156 46853 93706 140559 187412 281118 421677 562236 843354 890207 1265031 1686708 1780414 2530062 2670621 3560828 3795093 5060124 5341242 7590186 8011863 10682484 15180372 16023726 24035589 32047452 48071178 72106767 96142356 144213534 288427068