Base | Representation |
---|---|
bin | 10011101111100… |
… | …010110011011110 |
3 | 212002021020201201 |
4 | 103233202303132 |
5 | 1134243333210 |
6 | 52511230114 |
7 | 11131261246 |
oct | 2357426336 |
9 | 762236651 |
10 | 331230430 |
11 | 15aa75363 |
12 | 92b1833a |
13 | 53813b4b |
14 | 31dc2b26 |
15 | 1e12c53a |
hex | 13be2cde |
331230430 has 16 divisors (see below), whose sum is σ = 596424384. Its totient is φ = 132445600.
The previous prime is 331230421. The next prime is 331230503. The reversal of 331230430 is 34032133.
It is a junction number, because it is equal to n+sod(n) for n = 331230398 and 331230407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46080 + ... + 52780.
It is an arithmetic number, because the mean of its divisors is an integer number (37276524).
Almost surely, 2331230430 is an apocalyptic number.
331230430 is a deficient number, since it is larger than the sum of its proper divisors (265193954).
331230430 is a wasteful number, since it uses less digits than its factorization.
331230430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11651.
The product of its (nonzero) digits is 648, while the sum is 19.
The square root of 331230430 is about 18199.7370860131. The cubic root of 331230430 is about 691.9001256398.
Adding to 331230430 its reverse (34032133), we get a palindrome (365262563).
The spelling of 331230430 in words is "three hundred thirty-one million, two hundred thirty thousand, four hundred thirty".
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