Base | Representation |
---|---|
bin | 11011011111100… |
… | …00000111001110 |
3 | 121001221210102110 |
4 | 31233300013032 |
5 | 433014343041 |
6 | 34515004450 |
7 | 5500152213 |
oct | 1557600716 |
9 | 531853373 |
10 | 230621646 |
11 | 1091a8502 |
12 | 65299726 |
13 | 38a19218 |
14 | 228b3b0a |
15 | 153a7516 |
hex | dbf01ce |
230621646 has 8 divisors (see below), whose sum is σ = 461243304. Its totient is φ = 76873880.
The previous prime is 230621627. The next prime is 230621669. The reversal of 230621646 is 646126032.
It is a sphenic number, since it is the product of 3 distinct primes.
230621646 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19218465 + ... + 19218476.
It is an arithmetic number, because the mean of its divisors is an integer number (57655413).
Almost surely, 2230621646 is an apocalyptic number.
230621646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230621646 is a wasteful number, since it uses less digits than its factorization.
230621646 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38436946.
The product of its (nonzero) digits is 10368, while the sum is 30.
The square root of 230621646 is about 15186.2321199170. The cubic root of 230621646 is about 613.2440678873.
Adding to 230621646 its reverse (646126032), we get a palindrome (876747678).
The spelling of 230621646 in words is "two hundred thirty million, six hundred twenty-one thousand, six hundred forty-six".
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