Base | Representation |
---|---|
bin | 11011011101001… |
… | …10110101011101 |
3 | 121001101112200222 |
4 | 31232212311131 |
5 | 432430242001 |
6 | 34504331125 |
7 | 5464462154 |
oct | 1556466535 |
9 | 531345628 |
10 | 230321501 |
11 | 109012a53 |
12 | 65173aa5 |
13 | 38942717 |
14 | 2283659b |
15 | 1534861b |
hex | dba6d5d |
230321501 has 2 divisors, whose sum is σ = 230321502. Its totient is φ = 230321500.
The previous prime is 230321467. The next prime is 230321551. The reversal of 230321501 is 105123032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 132825625 + 97495876 = 11525^2 + 9874^2 .
It is a cyclic number.
It is not a de Polignac number, because 230321501 - 26 = 230321437 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 230321501.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230321551) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115160750 + 115160751.
It is an arithmetic number, because the mean of its divisors is an integer number (115160751).
Almost surely, 2230321501 is an apocalyptic number.
It is an amenable number.
230321501 is a deficient number, since it is larger than the sum of its proper divisors (1).
230321501 is an equidigital number, since it uses as much as digits as its factorization.
230321501 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 230321501 is about 15176.3467606667. The cubic root of 230321501 is about 612.9779147145.
Adding to 230321501 its reverse (105123032), we get a palindrome (335444533).
The spelling of 230321501 in words is "two hundred thirty million, three hundred twenty-one thousand, five hundred one".
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