Base | Representation |
---|---|
bin | 11110110010000… |
… | …00000011000110 |
3 | 122222212112022211 |
4 | 33121000003012 |
5 | 1012100241123 |
6 | 41342214034 |
7 | 6253523530 |
oct | 1731000306 |
9 | 588775284 |
10 | 258212038 |
11 | 122832587 |
12 | 7258431a |
13 | 416594b6 |
14 | 26416850 |
15 | 17a0740d |
hex | f6400c6 |
258212038 has 8 divisors (see below), whose sum is σ = 442649232. Its totient is φ = 110662296.
The previous prime is 258212029. The next prime is 258212047. The reversal of 258212038 is 830212852.
It is an interprime number because it is at equal distance from previous prime (258212029) and next prime (258212047).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×2582120382 = 133346913136226888, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9221845 + ... + 9221872.
It is an arithmetic number, because the mean of its divisors is an integer number (55331154).
Almost surely, 2258212038 is an apocalyptic number.
258212038 is a deficient number, since it is larger than the sum of its proper divisors (184437194).
258212038 is a wasteful number, since it uses less digits than its factorization.
258212038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18443726.
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 258212038 is about 16068.9775032514. The cubic root of 258212038 is about 636.7840280830.
The spelling of 258212038 in words is "two hundred fifty-eight million, two hundred twelve thousand, thirty-eight".
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