Base | Representation |
---|---|
bin | 11110110111101… |
… | …00001111111100 |
3 | 200001021000210221 |
4 | 33123310033330 |
5 | 1012242401030 |
6 | 41410111124 |
7 | 6263016451 |
oct | 1733641774 |
9 | 601230727 |
10 | 258950140 |
11 | 123197089 |
12 | 7287b4a4 |
13 | 41857447 |
14 | 26569828 |
15 | 17b00e7a |
hex | f6f43fc |
258950140 has 12 divisors (see below), whose sum is σ = 543795336. Its totient is φ = 103580048.
The previous prime is 258950117. The next prime is 258950147. The reversal of 258950140 is 41059852.
It is a junction number, because it is equal to n+sod(n) for n = 258950096 and 258950105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258950147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6473734 + ... + 6473773.
It is an arithmetic number, because the mean of its divisors is an integer number (45316278).
Almost surely, 2258950140 is an apocalyptic number.
258950140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
258950140 is an abundant number, since it is smaller than the sum of its proper divisors (284845196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258950140 is a wasteful number, since it uses less digits than its factorization.
258950140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12947516 (or 12947514 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 34.
The square root of 258950140 is about 16091.9277900443. The cubic root of 258950140 is about 637.3902022874.
The spelling of 258950140 in words is "two hundred fifty-eight million, nine hundred fifty thousand, one hundred forty".
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