Base | Representation |
---|---|
bin | 1001001100001… |
… | …1001010100011 |
3 | 2200112110002120 |
4 | 2103003022203 |
5 | 34332020011 |
6 | 3454115323 |
7 | 645440136 |
oct | 223031243 |
9 | 80473076 |
10 | 38548131 |
11 | 1a839866 |
12 | 10aabb43 |
13 | 7ca8a5b |
14 | 519621d |
15 | 35b6a06 |
hex | 24c32a3 |
38548131 has 16 divisors (see below), whose sum is σ = 55257600. Its totient is φ = 23826528.
The previous prime is 38548123. The next prime is 38548171. The reversal of 38548131 is 13184583.
It is not a de Polignac number, because 38548131 - 23 = 38548123 is a prime.
It is a super-2 number, since 2×385481312 = 2971916807186322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 38548092 and 38548101.
It is not an unprimeable number, because it can be changed into a prime (38548121) 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 15 ways as a sum of consecutive naturals, for example, 4516 + ... + 9873.
It is an arithmetic number, because the mean of its divisors is an integer number (3453600).
Almost surely, 238548131 is an apocalyptic number.
38548131 is a deficient number, since it is larger than the sum of its proper divisors (16709469).
38548131 is a wasteful number, since it uses less digits than its factorization.
38548131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14458.
The product of its digits is 11520, while the sum is 33.
The square root of 38548131 is about 6208.7141180763. The cubic root of 38548131 is about 337.8063238088.
It can be divided in two parts, 385 and 48131, that added together give a triangular number (48516 = T311).
The spelling of 38548131 in words is "thirty-eight million, five hundred forty-eight thousand, one hundred thirty-one".
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