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287234016 = 2538633467
BaseRepresentation
bin10001000111101…
…101011111100000
3202000110222222220
4101013231133200
51042012442031
644300231040
710055306646
oct2107553740
9660428886
10287234016
11138155193
128023b480
134767b274
142a20d196
151a33b596
hex111ed7e0

287234016 has 48 divisors (see below), whose sum is σ = 755080704. Its totient is φ = 95606144.

The previous prime is 287233993. The next prime is 287234021. The reversal of 287234016 is 610432782.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×2872340163 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81115 + ... + 84581.

It is an arithmetic number, because the mean of its divisors is an integer number (15730848).

Almost surely, 2287234016 is an apocalyptic number.

It is an amenable number.

287234016 is an abundant number, since it is smaller than the sum of its proper divisors (467846688).

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

287234016 is a wasteful number, since it uses less digits than its factorization.

287234016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343 (or 4335 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 287234016 is about 16947.9797026076. The cubic root of 287234016 is about 659.7994615711.

Adding to 287234016 its reverse (610432782), we get a palindrome (897666798).

The spelling of 287234016 in words is "two hundred eighty-seven million, two hundred thirty-four thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 863 1726 2589 3452 3467 5178 6904 6934 10356 10401 13808 13868 20712 20802 27616 27736 41424 41604 55472 82848 83208 110944 166416 332832 2992021 5984042 8976063 11968084 17952126 23936168 35904252 47872336 71808504 95744672 143617008 287234016