Base | Representation |
---|---|
bin | 11110110001011… |
… | …11011111010110 |
3 | 122222202002021211 |
4 | 33120233133112 |
5 | 1012041103324 |
6 | 41340532034 |
7 | 6253122016 |
oct | 1730573726 |
9 | 588662254 |
10 | 258144214 |
11 | 122796629 |
12 | 7255101a |
13 | 41634673 |
14 | 263d9c46 |
15 | 179e2294 |
hex | f62f7d6 |
258144214 has 16 divisors (see below), whose sum is σ = 393271200. Its totient is φ = 127059520.
The previous prime is 258144209. The next prime is 258144217. The reversal of 258144214 is 412441852.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258144217) 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 7 ways as a sum of consecutive naturals, for example, 148092 + ... + 149824.
It is an arithmetic number, because the mean of its divisors is an integer number (24579450).
Almost surely, 2258144214 is an apocalyptic number.
258144214 is a deficient number, since it is larger than the sum of its proper divisors (135126986).
258144214 is a wasteful number, since it uses less digits than its factorization.
258144214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2855.
The product of its digits is 10240, while the sum is 31.
The square root of 258144214 is about 16066.8669627902. The cubic root of 258144214 is about 636.7282689709.
The spelling of 258144214 in words is "two hundred fifty-eight million, one hundred forty-four thousand, two hundred fourteen".
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