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87053088 = 2531376619
BaseRepresentation
bin1010011000001…
…01001100100000
320001210202101110
411030011030200
5134241144323
612345503320
72104640043
oct514051440
9201722343
1087053088
1145159301
12251a1b40
131505c805
14b7c0c5a
157998793
hex5305320

87053088 has 48 divisors (see below), whose sum is σ = 230217120. Its totient is φ = 28801536.

The previous prime is 87053077. The next prime is 87053111. The reversal of 87053088 is 88035078.

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

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, 9843 + ... + 16461.

It is an arithmetic number, because the mean of its divisors is an integer number (4796190).

Almost surely, 287053088 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 87053088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115108560).

87053088 is an abundant number, since it is smaller than the sum of its proper divisors (143164032).

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

87053088 is a wasteful number, since it uses less digits than its factorization.

87053088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769 (or 6761 counting only the distinct ones).

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

The square root of 87053088 is about 9330.2244345996. The cubic root of 87053088 is about 443.1948723705.

The spelling of 87053088 in words is "eighty-seven million, fifty-three thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 137 274 411 548 822 1096 1644 2192 3288 4384 6576 6619 13152 13238 19857 26476 39714 52952 79428 105904 158856 211808 317712 635424 906803 1813606 2720409 3627212 5440818 7254424 10881636 14508848 21763272 29017696 43526544 87053088