Base | Representation |
---|---|
bin | 10000011101001… |
… | …11001100001111 |
3 | 100121202120121221 |
4 | 20032213030033 |
5 | 240320021041 |
6 | 21410504211 |
7 | 3264251044 |
oct | 1016471417 |
9 | 317676557 |
10 | 138048271 |
11 | 70a19789 |
12 | 3a295067 |
13 | 227a5b8a |
14 | 144971cb |
15 | c1bd2d1 |
hex | 83a730f |
138048271 has 8 divisors (see below), whose sum is σ = 141584688. Its totient is φ = 134520000.
The previous prime is 138048269. The next prime is 138048283. The reversal of 138048271 is 172840831.
It is a happy number.
138048271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 138048271 - 21 = 138048269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138048871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46996 + ... + 49846.
It is an arithmetic number, because the mean of its divisors is an integer number (17698086).
Almost surely, 2138048271 is an apocalyptic number.
138048271 is a deficient number, since it is larger than the sum of its proper divisors (3536417).
138048271 is a wasteful number, since it uses less digits than its factorization.
138048271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4073.
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 138048271 is about 11749.3944950368. The cubic root of 138048271 is about 516.8251712552.
The spelling of 138048271 in words is "one hundred thirty-eight million, forty-eight thousand, two hundred seventy-one".
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