Base | Representation |
---|---|
bin | 110001111111… |
… | …110001010000 |
3 | 220122212101220 |
4 | 301333301100 |
5 | 11323400011 |
6 | 1144525040 |
7 | 216254442 |
oct | 61776120 |
9 | 26585356 |
10 | 13106256 |
11 | 7441a19 |
12 | 4480780 |
13 | 293b6a7 |
14 | 1a52492 |
15 | 123d506 |
hex | c7fc50 |
13106256 has 20 divisors (see below), whose sum is σ = 33857952. Its totient is φ = 4368736.
The previous prime is 13106243. The next prime is 13106287. The reversal of 13106256 is 65260131.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 136476 + ... + 136571.
Almost surely, 213106256 is an apocalyptic number.
13106256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
13106256 is an abundant number, since it is smaller than the sum of its proper divisors (20751696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13106256 is a wasteful number, since it uses less digits than its factorization.
13106256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 273058 (or 273052 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 13106256 is about 3620.2563445148. The cubic root of 13106256 is about 235.7723554162.
Adding to 13106256 its reverse (65260131), we get a palindrome (78366387).
The spelling of 13106256 in words is "thirteen million, one hundred six thousand, two hundred fifty-six".
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