Base | Representation |
---|---|
bin | 1010011110111… |
… | …00110110101101 |
3 | 20010110122002210 |
4 | 11033130312231 |
5 | 140002431204 |
6 | 12420441033 |
7 | 2115306300 |
oct | 517346655 |
9 | 203418083 |
10 | 87936429 |
11 | 45701a39 |
12 | 25549179 |
13 | 152ab8b9 |
14 | b970b37 |
15 | 7ac0389 |
hex | 53dcdad |
87936429 has 48 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 46458720.
The previous prime is 87936413. The next prime is 87936449. The reversal of 87936429 is 92463978.
It is not a de Polignac number, because 87936429 - 24 = 87936413 is a prime.
It is a super-3 number, since 3×879364293 (a number of 25 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87936449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104392 + ... + 105230.
It is an arithmetic number, because the mean of its divisors is an integer number (3064320).
Almost surely, 287936429 is an apocalyptic number.
It is an amenable number.
87936429 is a deficient number, since it is larger than the sum of its proper divisors (59150931).
87936429 is a wasteful number, since it uses less digits than its factorization.
87936429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 910 (or 903 counting only the distinct ones).
The product of its digits is 653184, while the sum is 48.
The square root of 87936429 is about 9377.4425618076. The cubic root of 87936429 is about 444.6888857681.
The spelling of 87936429 in words is "eighty-seven million, nine hundred thirty-six thousand, four hundred twenty-nine".
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