Base | Representation |
---|---|
bin | 11011011011101… |
… | …10101011100101 |
3 | 121001000112010210 |
4 | 31231312223211 |
5 | 432402434021 |
6 | 34500210033 |
7 | 5463011133 |
oct | 1555665345 |
9 | 531015123 |
10 | 230124261 |
11 | 108998844 |
12 | 65099919 |
13 | 388a3a03 |
14 | 227c4753 |
15 | 15309e76 |
hex | db76ae5 |
230124261 has 16 divisors (see below), whose sum is σ = 314772480. Its totient is φ = 149464560.
The previous prime is 230124241. The next prime is 230124263. The reversal of 230124261 is 162421032.
It is not a de Polignac number, because 230124261 - 25 = 230124229 is a prime.
It is a super-2 number, since 2×2301242612 = 105914351001592242, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230124263) 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, 53530 + ... + 57668.
It is an arithmetic number, because the mean of its divisors is an integer number (19673280).
Almost surely, 2230124261 is an apocalyptic number.
It is an amenable number.
230124261 is a deficient number, since it is larger than the sum of its proper divisors (84648219).
230124261 is a wasteful number, since it uses less digits than its factorization.
230124261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4616.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 230124261 is about 15169.8470987680. The cubic root of 230124261 is about 612.8028864858.
Adding to 230124261 its reverse (162421032), we get a palindrome (392545293).
It can be divided in two parts, 2301 and 24261, that added together give a palindrome (26562).
The spelling of 230124261 in words is "two hundred thirty million, one hundred twenty-four thousand, two hundred sixty-one".
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