Base | Representation |
---|---|
bin | 11110110111010… |
… | …01011110110111 |
3 | 200001011210022120 |
4 | 33123221132313 |
5 | 1012234443124 |
6 | 41405131023 |
7 | 6262444050 |
oct | 1733513667 |
9 | 601153276 |
10 | 258906039 |
11 | 123166a37 |
12 | 72859a73 |
13 | 41840352 |
14 | 26557727 |
15 | 17ae2d79 |
hex | f6e97b7 |
258906039 has 32 divisors (see below), whose sum is σ = 420028416. Its totient is φ = 138478080.
The previous prime is 258906029. The next prime is 258906047. The reversal of 258906039 is 930609852.
It is not a de Polignac number, because 258906039 - 29 = 258905527 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258906019) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66289 + ... + 70085.
It is an arithmetic number, because the mean of its divisors is an integer number (13125888).
Almost surely, 2258906039 is an apocalyptic number.
258906039 is a deficient number, since it is larger than the sum of its proper divisors (161122377).
258906039 is a wasteful number, since it uses less digits than its factorization.
258906039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4015.
The product of its (nonzero) digits is 116640, while the sum is 42.
The square root of 258906039 is about 16090.5574483919. The cubic root of 258906039 is about 637.3540162463.
The spelling of 258906039 in words is "two hundred fifty-eight million, nine hundred six thousand, thirty-nine".
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