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87675060 = 223511711871
BaseRepresentation
bin1010011100111…
…01000010110100
320002222100120110
411032131002310
5134421100220
612411103020
72113140264
oct516350264
9202870513
1087675060
1145543630
1225441a70
1315219945
14b9037a4
157a6cbe0
hex539d0b4

87675060 has 96 divisors (see below), whose sum is σ = 271724544. Its totient is φ = 20944000.

The previous prime is 87675059. The next prime is 87675067. The reversal of 87675060 is 6057678.

It is a super-2 number, since 2×876750602 = 15373832292007200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87675067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45925 + ... + 47795.

It is an arithmetic number, because the mean of its divisors is an integer number (2830464).

Almost surely, 287675060 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 87675060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135862272).

87675060 is an abundant number, since it is smaller than the sum of its proper divisors (184049484).

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

87675060 is a wasteful number, since it uses less digits than its factorization.

87675060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 87675060 is about 9363.4961419333. The cubic root of 87675060 is about 444.2478731185.

The spelling of 87675060 in words is "eighty-seven million, six hundred seventy-five thousand, sixty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 71 110 132 142 165 213 220 284 330 355 426 660 710 781 852 1065 1420 1562 1871 2130 2343 3124 3742 3905 4260 4686 5613 7484 7810 9355 9372 11226 11715 15620 18710 20581 22452 23430 28065 37420 41162 46860 56130 61743 82324 102905 112260 123486 132841 205810 246972 265682 308715 398523 411620 531364 617430 664205 797046 1234860 1328410 1461251 1594092 1992615 2656820 2922502 3985230 4383753 5845004 7306255 7970460 8767506 14612510 17535012 21918765 29225020 43837530 87675060