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288608988 = 22324050749
BaseRepresentation
bin10001001100111…
…101001011011100
3202010001212002210
4101030331023130
51042340441423
644345520420
710103064423
oct2114751334
9663055083
10288608988
11138a04228
12807a3110
1347a40065
142a48a2ba
151a50db93
hex1133d2dc

288608988 has 12 divisors (see below), whose sum is σ = 673421000. Its totient is φ = 96202992.

The previous prime is 288608981. The next prime is 288609007. The reversal of 288608988 is 889806882.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288608981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12025363 + ... + 12025386.

Almost surely, 2288608988 is an apocalyptic number.

It is an amenable number.

288608988 is an abundant number, since it is smaller than the sum of its proper divisors (384812012).

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

288608988 is a wasteful number, since it uses less digits than its factorization.

288608988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24050756 (or 24050754 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 57.

The square root of 288608988 is about 16988.4957544804. The cubic root of 288608988 is about 660.8505929278.

The spelling of 288608988 in words is "two hundred eighty-eight million, six hundred eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 24050749 48101498 72152247 96202996 144304494 288608988