Base | Representation |
---|---|
bin | 11011011101001… |
… | …10110010101001 |
3 | 121001101112110022 |
4 | 31232212302221 |
5 | 432430240241 |
6 | 34504330225 |
7 | 5464461506 |
oct | 1556466251 |
9 | 531345408 |
10 | 230321321 |
11 | 1090128aa |
12 | 65173975 |
13 | 38942609 |
14 | 228364ad |
15 | 1534854b |
hex | dba6ca9 |
230321321 has 8 divisors (see below), whose sum is σ = 244169640. Its totient is φ = 216506368.
The previous prime is 230321317. The next prime is 230321327. The reversal of 230321321 is 123123032.
It can be written as a sum of positive squares in 4 ways, for example, as 52765696 + 177555625 = 7264^2 + 13325^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230321321 - 22 = 230321317 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 230321321.
It is not an unprimeable number, because it can be changed into a prime (230321327) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6665 + ... + 22473.
It is an arithmetic number, because the mean of its divisors is an integer number (30521205).
Almost surely, 2230321321 is an apocalyptic number.
It is an amenable number.
230321321 is a deficient number, since it is larger than the sum of its proper divisors (13848319).
230321321 is a wasteful number, since it uses less digits than its factorization.
230321321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16683.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 230321321 is about 15176.3408303846. The cubic root of 230321321 is about 612.9777550304.
Adding to 230321321 its reverse (123123032), we get a palindrome (353444353).
The spelling of 230321321 in words is "two hundred thirty million, three hundred twenty-one thousand, three hundred twenty-one".
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