Base | Representation |
---|---|
bin | 11011011110010… |
… | …00011001100100 |
3 | 121001122112021210 |
4 | 31233020121210 |
5 | 432444141410 |
6 | 34511311420 |
7 | 5465604033 |
oct | 1557103144 |
9 | 531575253 |
10 | 230458980 |
11 | 1090a7274 |
12 | 6521b570 |
13 | 3899017b |
14 | 2287071a |
15 | 15374220 |
hex | dbc8664 |
230458980 has 96 divisors (see below), whose sum is σ = 685641600. Its totient is φ = 57673728.
The previous prime is 230458979. The next prime is 230459041. The reversal of 230458980 is 89854032.
It is a happy number.
230458980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2304589802 = 106222682925280800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127926 + ... + 129714.
It is an arithmetic number, because the mean of its divisors is an integer number (7142100).
Almost surely, 2230458980 is an apocalyptic number.
230458980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 230458980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342820800).
230458980 is an abundant number, since it is smaller than the sum of its proper divisors (455182620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230458980 is a wasteful number, since it uses less digits than its factorization.
230458980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1933 (or 1931 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 39.
The square root of 230458980 is about 15180.8754688259. The cubic root of 230458980 is about 613.0998527137.
The spelling of 230458980 in words is "two hundred thirty million, four hundred fifty-eight thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •