Base | Representation |
---|---|
bin | 11011011110101… |
… | …11100110100110 |
3 | 121001202200201020 |
4 | 31233113212212 |
5 | 433003140004 |
6 | 34512512010 |
7 | 5466253425 |
oct | 1557274646 |
9 | 531680636 |
10 | 230521254 |
11 | 10913a037 |
12 | 6524b606 |
13 | 389b2612 |
14 | 228892bc |
15 | 153878d9 |
hex | dbd79a6 |
230521254 has 8 divisors (see below), whose sum is σ = 461042520. Its totient is φ = 76840416.
The previous prime is 230521231. The next prime is 230521259. The reversal of 230521254 is 452125032.
It is a sphenic number, since it is the product of 3 distinct primes.
230521254 is an admirable number.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230521259) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19210099 + ... + 19210110.
It is an arithmetic number, because the mean of its divisors is an integer number (57630315).
Almost surely, 2230521254 is an apocalyptic number.
230521254 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.
230521254 is a wasteful number, since it uses less digits than its factorization.
230521254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38420214.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 230521254 is about 15182.9263977667. The cubic root of 230521254 is about 613.1550711330.
Adding to 230521254 its reverse (452125032), we get a palindrome (682646286).
The spelling of 230521254 in words is "two hundred thirty million, five hundred twenty-one thousand, two hundred fifty-four".
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