Base | Representation |
---|---|
bin | 11110110001000… |
… | …00000011011100 |
3 | 122222121212120010 |
4 | 33120200003130 |
5 | 1012032042423 |
6 | 41335323220 |
7 | 6252436464 |
oct | 1730400334 |
9 | 588555503 |
10 | 258080988 |
11 | 122753080 |
12 | 72520510 |
13 | 41611959 |
14 | 263c0ba4 |
15 | 179cd693 |
hex | f6200dc |
258080988 has 48 divisors (see below), whose sum is σ = 665957376. Its totient is φ = 77132160.
The previous prime is 258080981. The next prime is 258080989. The reversal of 258080988 is 889080852.
It is a super-2 number, since 2×2580809882 = 133211592734112288, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258080981) 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, 3756 + ... + 23027.
It is an arithmetic number, because the mean of its divisors is an integer number (13874112).
Almost surely, 2258080988 is an apocalyptic number.
It is an amenable number.
258080988 is an abundant number, since it is smaller than the sum of its proper divisors (407876388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258080988 is a wasteful number, since it uses less digits than its factorization.
258080988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26874 (or 26872 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 48.
The square root of 258080988 is about 16064.8992527186. The cubic root of 258080988 is about 636.6762811458.
The spelling of 258080988 in words is "two hundred fifty-eight million, eighty thousand, nine hundred eighty-eight".
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