Base | Representation |
---|---|
bin | 111001110110… |
… | …1000110101110 |
3 | 2010001222201212 |
4 | 1303231012232 |
5 | 30231100220 |
6 | 3002034422 |
7 | 515545322 |
oct | 163550656 |
9 | 63058655 |
10 | 30331310 |
11 | 161373a9 |
12 | a1a8a12 |
13 | 638ca29 |
14 | 4057982 |
15 | 29e20c5 |
hex | 1ced1ae |
30331310 has 32 divisors (see below), whose sum is σ = 56181600. Its totient is φ = 11785600.
The previous prime is 30331261. The next prime is 30331313. The reversal of 30331310 is 1313303.
It is a super-2 number, since 2×303313102 = 1839976732632200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30331313) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59336 + ... + 59844.
It is an arithmetic number, because the mean of its divisors is an integer number (1755675).
Almost surely, 230331310 is an apocalyptic number.
30331310 is a deficient number, since it is larger than the sum of its proper divisors (25850290).
30331310 is a wasteful number, since it uses less digits than its factorization.
30331310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 676.
The product of its (nonzero) digits is 81, while the sum is 14.
The square root of 30331310 is about 5507.3868576667. The cubic root of 30331310 is about 311.8629068420.
Adding to 30331310 its reverse (1313303), we get a palindrome (31644613).
It can be divided in two parts, 303 and 31310, that added together give a palindrome (31613).
The spelling of 30331310 in words is "thirty million, three hundred thirty-one thousand, three hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •