Base | Representation |
---|---|
bin | 100010110010… |
… | …0001010010100 |
3 | 1021022111011100 |
4 | 1011210022110 |
5 | 14132023202 |
6 | 1450510100 |
7 | 311001222 |
oct | 105441224 |
9 | 37274140 |
10 | 18236052 |
11 | a32601a |
12 | 6135330 |
13 | 3a16583 |
14 | 25c9b12 |
15 | 190341c |
hex | 1164294 |
18236052 has 36 divisors (see below), whose sum is σ = 46227636. Its totient is φ = 6061440.
The previous prime is 18236017. The next prime is 18236063. The reversal of 18236052 is 25063281.
It can be written as a sum of positive squares in 2 ways, for example, as 2268036 + 15968016 = 1506^2 + 3996^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21802 + ... + 22622.
It is an arithmetic number, because the mean of its divisors is an integer number (1284101).
Almost surely, 218236052 is an apocalyptic number.
18236052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18236052 is an abundant number, since it is smaller than the sum of its proper divisors (27991584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18236052 is a wasteful number, since it uses less digits than its factorization.
18236052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1448 (or 1443 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 18236052 is about 4270.3690707010. The cubic root of 18236052 is about 263.2147811533.
It can be divided in two parts, 1823 and 6052, that added together give a triangular number (7875 = T125).
The spelling of 18236052 in words is "eighteen million, two hundred thirty-six thousand, fifty-two".
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