Base | Representation |
---|---|
bin | 11011011101011… |
… | …00000101100111 |
3 | 121001102122012210 |
4 | 31232230011213 |
5 | 432431434030 |
6 | 34505014503 |
7 | 5464611660 |
oct | 1556540547 |
9 | 531378183 |
10 | 230343015 |
11 | 109028131 |
12 | 65184433 |
13 | 3894c456 |
14 | 22840367 |
15 | 1534ebb0 |
hex | dbac167 |
230343015 has 32 divisors (see below), whose sum is σ = 428115456. Its totient is φ = 103570560.
The previous prime is 230342977. The next prime is 230343041. The reversal of 230343015 is 510343032.
It is not a de Polignac number, because 230343015 - 27 = 230342887 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 230342982 and 230343000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11577 + ... + 24386.
It is an arithmetic number, because the mean of its divisors is an integer number (13378608).
Almost surely, 2230343015 is an apocalyptic number.
230343015 is a deficient number, since it is larger than the sum of its proper divisors (197772441).
230343015 is a wasteful number, since it uses less digits than its factorization.
230343015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36039.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 230343015 is about 15177.0555444724. The cubic root of 230343015 is about 612.9969999152.
Adding to 230343015 its reverse (510343032), we get a palindrome (740686047).
The spelling of 230343015 in words is "two hundred thirty million, three hundred forty-three thousand, fifteen".
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