Base | Representation |
---|---|
bin | 1010010101011… |
… | …00010001101100 |
3 | 20001010020210010 |
4 | 11022230101230 |
5 | 134143021001 |
6 | 12334013220 |
7 | 2101562151 |
oct | 512542154 |
9 | 201106703 |
10 | 86688876 |
11 | 44a2a6aa |
12 | 25047210 |
13 | 14c62ac1 |
14 | b728228 |
15 | 79258d6 |
hex | 52ac46c |
86688876 has 12 divisors (see below), whose sum is σ = 202274072. Its totient is φ = 28896288.
The previous prime is 86688871. The next prime is 86688907. The reversal of 86688876 is 67888668.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×866888762 = 15029922444286752, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (86688871) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3612025 + ... + 3612048.
Almost surely, 286688876 is an apocalyptic number.
It is an amenable number.
86688876 is an abundant number, since it is smaller than the sum of its proper divisors (115585196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86688876 is a wasteful number, since it uses less digits than its factorization.
86688876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7224080 (or 7224078 counting only the distinct ones).
The product of its digits is 6193152, while the sum is 57.
The square root of 86688876 is about 9310.6861186488. The cubic root of 86688876 is about 442.5759300261.
The spelling of 86688876 in words is "eighty-six million, six hundred eighty-eight thousand, eight hundred seventy-six".
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