Base | Representation |
---|---|
bin | 11110110001100… |
… | …00011100101001 |
3 | 122222202021200010 |
4 | 33120300130221 |
5 | 1012041220022 |
6 | 41341002133 |
7 | 6253136322 |
oct | 1730603451 |
9 | 588667603 |
10 | 258148137 |
11 | 122799575 |
12 | 72553349 |
13 | 416363a0 |
14 | 263db449 |
15 | 179e350c |
hex | f630729 |
258148137 has 16 divisors (see below), whose sum is σ = 374501120. Its totient is φ = 157220352.
The previous prime is 258148133. The next prime is 258148147. The reversal of 258148137 is 731841852.
258148137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 258148137 - 22 = 258148133 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 258148095 and 258148104.
It is not an unprimeable number, because it can be changed into a prime (258148133) 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, 30337 + ... + 37902.
It is an arithmetic number, because the mean of its divisors is an integer number (23406320).
Almost surely, 2258148137 is an apocalyptic number.
It is an amenable number.
258148137 is a deficient number, since it is larger than the sum of its proper divisors (116352983).
258148137 is a wasteful number, since it uses less digits than its factorization.
258148137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68352.
The product of its digits is 53760, while the sum is 39.
The square root of 258148137 is about 16066.9890458667. The cubic root of 258148137 is about 636.7314943932.
Adding to 258148137 its reverse (731841852), we get a palindrome (989989989).
The spelling of 258148137 in words is "two hundred fifty-eight million, one hundred forty-eight thousand, one hundred thirty-seven".
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