Base | Representation |
---|---|
bin | 110001111010… |
… | …011110111101 |
3 | 220121202201000 |
4 | 301322132331 |
5 | 11322201410 |
6 | 1144240513 |
7 | 216134352 |
oct | 61723675 |
9 | 26552630 |
10 | 13084605 |
11 | 7427726 |
12 | 4470139 |
13 | 2931891 |
14 | 1a48629 |
15 | 1236dc0 |
hex | c7a7bd |
13084605 has 32 divisors (see below), whose sum is σ = 23512320. Its totient is φ = 6903360.
The previous prime is 13084601. The next prime is 13084619. The reversal of 13084605 is 50648031.
It is not a de Polignac number, because 13084605 - 22 = 13084601 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13084601) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13435 + ... + 14375.
It is an arithmetic number, because the mean of its divisors is an integer number (734760).
Almost surely, 213084605 is an apocalyptic number.
13084605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13084605 is a deficient number, since it is larger than the sum of its proper divisors (10427715).
13084605 is a wasteful number, since it uses less digits than its factorization.
13084605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1058 (or 1052 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 13084605 is about 3617.2648506848. The cubic root of 13084605 is about 235.6424550904.
It can be divided in two parts, 13084 and 605, that added together give a square (13689 = 1172).
The spelling of 13084605 in words is "thirteen million, eighty-four thousand, six hundred five".
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