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BaseRepresentation
bin1010011011101…
…01111000111000
320002200012120110
411031311320320
5134400432210
612403424320
72111601561
oct515657070
9202605513
1087514680
1145444090
12253850a0
1315191946
14b8a1168
157a3a420
hex5375e38

87514680 has 128 divisors (see below), whose sum is σ = 288852480. Its totient is φ = 21035520.

The previous prime is 87514673. The next prime is 87514697. The reversal of 87514680 is 8641578.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220242 + ... + 220638.

It is an arithmetic number, because the mean of its divisors is an integer number (2256660).

Almost surely, 287514680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87514680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144426240).

87514680 is an abundant number, since it is smaller than the sum of its proper divisors (201337800).

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

87514680 is a wasteful number, since it uses less digits than its factorization.

87514680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 87514680 is about 9354.9281130322. The cubic root of 87514680 is about 443.9768269701.

It can be divided in two parts, 8751 and 4680, that added together give a palindrome (13431).

The spelling of 87514680 in words is "eighty-seven million, five hundred fourteen thousand, six hundred eighty".