Base | Representation |
---|---|
bin | 10000000100110… |
… | …01111101111101 |
3 | 100101202000012111 |
4 | 20002121331331 |
5 | 234010122011 |
6 | 21214134021 |
7 | 3225122653 |
oct | 1002317575 |
9 | 311660174 |
10 | 134848381 |
11 | 6a133648 |
12 | 391b1311 |
13 | 21c25555 |
14 | 13ca2dd3 |
15 | bc8a121 |
hex | 8099f7d |
134848381 has 4 divisors (see below), whose sum is σ = 134909632. Its totient is φ = 134787132.
The previous prime is 134848367. The next prime is 134848391. The reversal of 134848381 is 183848431.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183848431 = 13 ⋅14142187.
It is a cyclic number.
It is not a de Polignac number, because 134848381 - 25 = 134848349 is a prime.
It is a super-2 number, since 2×1348483812 = 36368171716642322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (134848331) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27195 + ... + 31768.
It is an arithmetic number, because the mean of its divisors is an integer number (33727408).
Almost surely, 2134848381 is an apocalyptic number.
It is an amenable number.
134848381 is a deficient number, since it is larger than the sum of its proper divisors (61251).
134848381 is an equidigital number, since it uses as much as digits as its factorization.
134848381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61250.
The product of its digits is 73728, while the sum is 40.
The square root of 134848381 is about 11612.4235627194. The cubic root of 134848381 is about 512.8006640296.
Subtracting 134848381 from its reverse (183848431), we obtain a triangular number (49000050 = T9899).
It can be divided in two parts, 1348 and 48381, that added together give a square (49729 = 2232).
The spelling of 134848381 in words is "one hundred thirty-four million, eight hundred forty-eight thousand, three hundred eighty-one".
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