Base | Representation |
---|---|
bin | 110010001010… |
… | …001010100110 |
3 | 220202000211000 |
4 | 302022022212 |
5 | 11331230323 |
6 | 1145454130 |
7 | 216522543 |
oct | 62121246 |
9 | 26660730 |
10 | 13148838 |
11 | 7470a0a |
12 | 44a1346 |
13 | 2954ba1 |
14 | 1a63bca |
15 | 124ae43 |
hex | c8a2a6 |
13148838 has 32 divisors (see below), whose sum is σ = 30013920. Its totient is φ = 4263840.
The previous prime is 13148831. The next prime is 13148857. The reversal of 13148838 is 83884131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13148831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293 + ... + 5288.
It is an arithmetic number, because the mean of its divisors is an integer number (937935).
Almost surely, 213148838 is an apocalyptic number.
13148838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
13148838 is an abundant number, since it is smaller than the sum of its proper divisors (16865082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13148838 is a wasteful number, since it uses less digits than its factorization.
13148838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6629 (or 6623 counting only the distinct ones).
The product of its digits is 18432, while the sum is 36.
The square root of 13148838 is about 3626.1326506348. The cubic root of 13148838 is about 236.0274194896.
The spelling of 13148838 in words is "thirteen million, one hundred forty-eight thousand, eight hundred thirty-eight".
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