Base | Representation |
---|---|
bin | 111001101010… |
… | …0101011001100 |
3 | 2002212220110201 |
4 | 1303110223030 |
5 | 30214344434 |
6 | 2555543244 |
7 | 514650511 |
oct | 163245314 |
9 | 62786421 |
10 | 30231244 |
11 | 160791aa |
12 | a15ab24 |
13 | 6356314 |
14 | 402d308 |
15 | 29c2614 |
hex | 1cd4acc |
30231244 has 6 divisors (see below), whose sum is σ = 52904684. Its totient is φ = 15115620.
The previous prime is 30231241. The next prime is 30231247. The reversal of 30231244 is 44213203.
It is an interprime number because it is at equal distance from previous prime (30231241) and next prime (30231247).
It is a super-2 number, since 2×302312442 = 1827856227575072, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30231241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3778902 + ... + 3778909.
Almost surely, 230231244 is an apocalyptic number.
It is an amenable number.
30231244 is a deficient number, since it is larger than the sum of its proper divisors (22673440).
30231244 is a wasteful number, since it uses less digits than its factorization.
30231244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7557815 (or 7557813 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 30231244 is about 5498.2946447058. The cubic root of 30231244 is about 311.5195734475.
Adding to 30231244 its reverse (44213203), we get a palindrome (74444447).
The spelling of 30231244 in words is "thirty million, two hundred thirty-one thousand, two hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •