Base | Representation |
---|---|
bin | 10001101010001… |
… | …10100001000111 |
3 | 101022202012012122 |
4 | 20311012201013 |
5 | 300410404210 |
6 | 22411040155 |
7 | 3446103242 |
oct | 1065064107 |
9 | 338665178 |
10 | 148138055 |
11 | 7669034a |
12 | 4174005b |
13 | 248c9570 |
14 | 15962259 |
15 | d012b55 |
hex | 8d46847 |
148138055 has 16 divisors (see below), whose sum is σ = 199765440. Its totient is φ = 104636928.
The previous prime is 148138037. The next prime is 148138063. The reversal of 148138055 is 550831841.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-148138055 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48050 + ... + 51039.
It is an arithmetic number, because the mean of its divisors is an integer number (12485340).
Almost surely, 2148138055 is an apocalyptic number.
148138055 is a deficient number, since it is larger than the sum of its proper divisors (51627385).
148138055 is a wasteful number, since it uses less digits than its factorization.
148138055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99130.
The product of its (nonzero) digits is 19200, while the sum is 35.
The square root of 148138055 is about 12171.1977635728. The cubic root of 148138055 is about 529.1216673110.
Adding to 148138055 its reverse (550831841), we get a palindrome (698969896).
The spelling of 148138055 in words is "one hundred forty-eight million, one hundred thirty-eight thousand, fifty-five".
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