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288008068 = 22732234423
BaseRepresentation
bin10001001010101…
…010011110000100
3202001221022210111
4101022222132010
51042212224233
644325002404
710065012445
oct2112523604
9661838714
10288008068
111386337a7
1280553404
134788c69a
142a3712cc
151a440acd
hex112aa784

288008068 has 24 divisors (see below), whose sum is σ = 513325568. Its totient is φ = 141362496.

The previous prime is 288008051. The next prime is 288008069. The reversal of 288008068 is 860800882.

It is a self number, because there is not a number n which added to its sum of digits gives 288008068.

It is not an unprimeable number, because it can be changed into a prime (288008069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62905 + ... + 67327.

Almost surely, 2288008068 is an apocalyptic number.

It is an amenable number.

288008068 is a deficient number, since it is larger than the sum of its proper divisors (225317500).

288008068 is a wasteful number, since it uses less digits than its factorization.

288008068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723 (or 4721 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 288008068 is about 16970.8004525420. The cubic root of 288008068 is about 660.3916163762.

The spelling of 288008068 in words is "two hundred eighty-eight million, eight thousand, sixty-eight".

Divisors: 1 2 4 73 146 223 292 446 892 4423 8846 16279 17692 32558 65116 322879 645758 986329 1291516 1972658 3945316 72002017 144004034 288008068