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288328282 = 211137271353
BaseRepresentation
bin10001001011111…
…000101001011010
3202002112121001021
4101023320221122
51042303001112
644335513054
710100515144
oct2113705132
9662477037
10288328282
11138832340
128068878a
1347972368
142a415c94
151a4a5907
hex112f8a5a

288328282 has 32 divisors (see below), whose sum is σ = 478358784. Its totient is φ = 129254400.

The previous prime is 288328267. The next prime is 288328283. The reversal of 288328282 is 282823882.

288328282 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (288328283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816618 + ... + 816970.

It is an arithmetic number, because the mean of its divisors is an integer number (14948712).

Almost surely, 2288328282 is an apocalyptic number.

288328282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

288328282 is a deficient number, since it is larger than the sum of its proper divisors (190030502).

288328282 is a wasteful number, since it uses less digits than its factorization.

288328282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774.

The product of its digits is 196608, while the sum is 43.

The square root of 288328282 is about 16980.2320949980. The cubic root of 288328282 is about 660.6362719279.

The spelling of 288328282 in words is "two hundred eighty-eight million, three hundred twenty-eight thousand, two hundred eighty-two".

Divisors: 1 2 11 22 137 271 274 353 542 706 1507 2981 3014 3883 5962 7766 37127 48361 74254 95663 96722 191326 408397 531971 816794 1052293 1063942 2104586 13105831 26211662 144164141 288328282