Base | Representation |
---|---|
bin | 110001111111… |
… | …010100100100 |
3 | 220122202212220 |
4 | 301333110210 |
5 | 11323320140 |
6 | 1144512340 |
7 | 216246210 |
oct | 61772444 |
9 | 26582786 |
10 | 13104420 |
11 | 74405aa |
12 | 447b6b0 |
13 | 293a8c4 |
14 | 1a51940 |
15 | 123cbd0 |
hex | c7f524 |
13104420 has 96 divisors (see below), whose sum is σ = 43013376. Its totient is φ = 2918400.
The previous prime is 13104389. The next prime is 13104437. The reversal of 13104420 is 2440131.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 13104420.
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 31 ways as a sum of consecutive naturals, for example, 16840 + ... + 17600.
It is an arithmetic number, because the mean of its divisors is an integer number (448056).
Almost surely, 213104420 is an apocalyptic number.
13104420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13104420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21506688).
13104420 is an abundant number, since it is smaller than the sum of its proper divisors (29908956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13104420 is a wasteful number, since it uses less digits than its factorization.
13104420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 821 (or 819 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 13104420 is about 3620.0027624299. The cubic root of 13104420 is about 235.7613454512.
Adding to 13104420 its reverse (2440131), we get a palindrome (15544551).
The spelling of 13104420 in words is "thirteen million, one hundred four thousand, four hundred twenty".
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