Base | Representation |
---|---|
bin | 1010011001110… |
… | …10110011101110 |
3 | 20002012220121201 |
4 | 11030322303232 |
5 | 134320211221 |
6 | 12354320114 |
7 | 2106543214 |
oct | 514726356 |
9 | 202186551 |
10 | 87272686 |
11 | 45299296 |
12 | 2528903a |
13 | 15108757 |
14 | b83acb4 |
15 | 79dd891 |
hex | 533acee |
87272686 has 8 divisors (see below), whose sum is σ = 132205464. Its totient is φ = 43204200.
The previous prime is 87272663. The next prime is 87272701. The reversal of 87272686 is 68627278.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215820 + ... + 216223.
It is an arithmetic number, because the mean of its divisors is an integer number (16525683).
Almost surely, 287272686 is an apocalyptic number.
87272686 is a deficient number, since it is larger than the sum of its proper divisors (44932778).
87272686 is a wasteful number, since it uses less digits than its factorization.
87272686 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432146.
The product of its digits is 451584, while the sum is 46.
The square root of 87272686 is about 9341.9851209473. The cubic root of 87272686 is about 443.5672236487.
The spelling of 87272686 in words is "eighty-seven million, two hundred seventy-two thousand, six hundred eighty-six".
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