Base | Representation |
---|---|
bin | 1010011011000… |
… | …01111111111100 |
3 | 20002112001211010 |
4 | 11031201333330 |
5 | 134340330322 |
6 | 12401555220 |
7 | 2111112216 |
oct | 515417774 |
9 | 202461733 |
10 | 87433212 |
11 | 45398959 |
12 | 25345b10 |
13 | 15163839 |
14 | b87d5b6 |
15 | 7a2120c |
hex | 5361ffc |
87433212 has 48 divisors (see below), whose sum is σ = 224098560. Its totient is φ = 26408448.
The previous prime is 87433201. The next prime is 87433217. The reversal of 87433212 is 21233478.
It is a self number, because there is not a number n which added to its sum of digits gives 87433212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87433217) 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 15 ways as a sum of consecutive naturals, for example, 3093 + ... + 13580.
It is an arithmetic number, because the mean of its divisors is an integer number (4668720).
Almost surely, 287433212 is an apocalyptic number.
It is an amenable number.
87433212 is an abundant number, since it is smaller than the sum of its proper divisors (136665348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87433212 is a wasteful number, since it uses less digits than its factorization.
87433212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16722 (or 16720 counting only the distinct ones).
The product of its digits is 8064, while the sum is 30.
The square root of 87433212 is about 9350.5728166781. The cubic root of 87433212 is about 443.8390172009.
The spelling of 87433212 in words is "eighty-seven million, four hundred thirty-three thousand, two hundred twelve".
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