Base | Representation |
---|---|
bin | 11110100100010101001100 |
3 | 120002002221200 |
4 | 132210111030 |
5 | 4022410012 |
6 | 443425500 |
7 | 125052621 |
oct | 36442514 |
9 | 16062850 |
10 | 8013132 |
11 | 4583426 |
12 | 2825290 |
13 | 18773ca |
14 | 10c8348 |
15 | a843dc |
hex | 7a454c |
8013132 has 18 divisors (see below), whose sum is σ = 20255508. Its totient is φ = 2671032.
The previous prime is 8013121. The next prime is 8013151. The reversal of 8013132 is 2313108.
Added to its reverse (2313108) it gives a triangular number (10326240 = T4544).
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111258 + ... + 111329.
It is an arithmetic number, because the mean of its divisors is an integer number (1125306).
Almost surely, 28013132 is an apocalyptic number.
It is an amenable number.
8013132 is an abundant number, since it is smaller than the sum of its proper divisors (12242376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8013132 is a wasteful number, since it uses less digits than its factorization.
8013132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222597 (or 222592 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 8013132 is about 2830.7476044324. The cubic root of 8013132 is about 200.1093735096.
Adding to 8013132 its reverse (2313108), we get a triangular number (10326240 = T4544).
The spelling of 8013132 in words is "eight million, thirteen thousand, one hundred thirty-two".
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