Base | Representation |
---|---|
bin | 1010011111001… |
… | …10100010010110 |
3 | 20010112122111120 |
4 | 11033212202112 |
5 | 140010213321 |
6 | 12421344410 |
7 | 2115533022 |
oct | 517464226 |
9 | 203478446 |
10 | 87976086 |
11 | 45729810 |
12 | 25568106 |
13 | 152c3973 |
14 | b981382 |
15 | 7acbec6 |
hex | 53e6896 |
87976086 has 32 divisors (see below), whose sum is σ = 192779136. Its totient is φ = 26544000.
The previous prime is 87976079. The next prime is 87976087. The reversal of 87976086 is 68067978.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87976087) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13141 + ... + 18671.
It is an arithmetic number, because the mean of its divisors is an integer number (6024348).
Almost surely, 287976086 is an apocalyptic number.
87976086 is an abundant number, since it is smaller than the sum of its proper divisors (104803050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87976086 is a wasteful number, since it uses less digits than its factorization.
87976086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5788.
The product of its (nonzero) digits is 1016064, while the sum is 51.
The square root of 87976086 is about 9379.5568125578. The cubic root of 87976086 is about 444.7557233576.
The spelling of 87976086 in words is "eighty-seven million, nine hundred seventy-six thousand, eighty-six".
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