Base | Representation |
---|---|
bin | 11011011010111… |
… | …00000000100111 |
3 | 121000210222021122 |
4 | 31231130000213 |
5 | 432340440030 |
6 | 34454004155 |
7 | 5462044466 |
oct | 1555340047 |
9 | 530728248 |
10 | 230015015 |
11 | 10892375a |
12 | 6504665b |
13 | 38866079 |
14 | 227969dd |
15 | 152d78e5 |
hex | db5c027 |
230015015 has 8 divisors (see below), whose sum is σ = 292254480. Its totient is φ = 173187712.
The previous prime is 230014991. The next prime is 230015017. The reversal of 230015015 is 510510032.
230015015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 230015015 - 210 = 230013991 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
230015015 is a modest number, since divided by 15015 gives 230 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 230014984 and 230015002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230015017) 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, 1352945 + ... + 1353114.
It is an arithmetic number, because the mean of its divisors is an integer number (36531810).
Almost surely, 2230015015 is an apocalyptic number.
230015015 is a deficient number, since it is larger than the sum of its proper divisors (62239465).
230015015 is a wasteful number, since it uses less digits than its factorization.
230015015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2706081.
The product of its (nonzero) digits is 150, while the sum is 17.
The square root of 230015015 is about 15166.2459099146. The cubic root of 230015015 is about 612.7058999558.
Adding to 230015015 its reverse (510510032), we get a palindrome (740525047).
The spelling of 230015015 in words is "two hundred thirty million, fifteen thousand, fifteen".
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