Base | Representation |
---|---|
bin | 1010011110000… |
… | …01011111000010 |
3 | 20010020221022200 |
4 | 11033001133002 |
5 | 134440334242 |
6 | 12414214030 |
7 | 2114331405 |
oct | 517013702 |
9 | 203227280 |
10 | 87824322 |
11 | 45635793 |
12 | 254b4316 |
13 | 1526c871 |
14 | b941d3c |
15 | 7a9c04c |
hex | 53c17c2 |
87824322 has 12 divisors (see below), whose sum is σ = 190286070. Its totient is φ = 29274768.
The previous prime is 87824311. The next prime is 87824371. The reversal of 87824322 is 22342878.
It can be written as a sum of positive squares in only one way, i.e., 63824121 + 24000201 = 7989^2 + 4899^2 .
It is a super-2 number, since 2×878243222 = 15426223069519368, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2439547 + ... + 2439582.
Almost surely, 287824322 is an apocalyptic number.
87824322 is an abundant number, since it is smaller than the sum of its proper divisors (102461748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87824322 is a wasteful number, since it uses less digits than its factorization.
87824322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4879137 (or 4879134 counting only the distinct ones).
The product of its digits is 43008, while the sum is 36.
The square root of 87824322 is about 9371.4631728455. The cubic root of 87824322 is about 444.4998327683.
It can be divided in two parts, 878 and 24322, that added together give a triangular number (25200 = T224).
The spelling of 87824322 in words is "eighty-seven million, eight hundred twenty-four thousand, three hundred twenty-two".
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