Base | Representation |
---|---|
bin | 110010010010… |
… | …010001001110 |
3 | 220210201100100 |
4 | 302102101032 |
5 | 11333311110 |
6 | 1150311530 |
7 | 220021401 |
oct | 62222116 |
9 | 26721310 |
10 | 13182030 |
11 | 7493944 |
12 | 44b85a6 |
13 | 2967024 |
14 | 1a71d38 |
15 | 1255bc0 |
hex | c9244e |
13182030 has 48 divisors (see below), whose sum is σ = 34538400. Its totient is φ = 3488064.
The previous prime is 13182017. The next prime is 13182031. The reversal of 13182030 is 3028131.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 13181994 and 13182012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13182031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12919 + ... + 13901.
It is an arithmetic number, because the mean of its divisors is an integer number (719550).
Almost surely, 213182030 is an apocalyptic number.
13182030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13182030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17269200).
13182030 is an abundant number, since it is smaller than the sum of its proper divisors (21356370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13182030 is a wasteful number, since it uses less digits than its factorization.
13182030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1145 (or 1142 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 13182030 is about 3630.7065428095. The cubic root of 13182030 is about 236.2258562713.
The spelling of 13182030 in words is "thirteen million, one hundred eighty-two thousand, thirty".
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