Base | Representation |
---|---|
bin | 110001111100… |
… | …000101001100 |
3 | 220122002200100 |
4 | 301330011030 |
5 | 11322404043 |
6 | 1144331100 |
7 | 216162420 |
oct | 61740514 |
9 | 26562610 |
10 | 13091148 |
11 | 7431634 |
12 | 4473a90 |
13 | 2934855 |
14 | 1a4ab80 |
15 | 1238cd3 |
hex | c7c14c |
13091148 has 36 divisors (see below), whose sum is σ = 37819600. Its totient is φ = 3740256.
The previous prime is 13091147. The next prime is 13091153. The reversal of 13091148 is 84119031.
It is a tau number, because it is divible by the number of its divisors (36).
It is a zygodrome in base 6.
It is not an unprimeable number, because it can be changed into a prime (13091147) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 25723 + ... + 26226.
Almost surely, 213091148 is an apocalyptic number.
13091148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13091148 is an abundant number, since it is smaller than the sum of its proper divisors (24728452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13091148 is a wasteful number, since it uses less digits than its factorization.
13091148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51966 (or 51961 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 13091148 is about 3618.1691502748. The cubic root of 13091148 is about 235.6817264749.
The spelling of 13091148 in words is "thirteen million, ninety-one thousand, one hundred forty-eight".
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