Base | Representation |
---|---|
bin | 111001101110… |
… | …0001111010000 |
3 | 2002221110222010 |
4 | 1303130033100 |
5 | 30221342344 |
6 | 3000342520 |
7 | 515140026 |
oct | 163341720 |
9 | 62843863 |
10 | 30262224 |
11 | 1609a503 |
12 | a174a40 |
13 | 6367455 |
14 | 403a716 |
15 | 29cb8b9 |
hex | 1cdc3d0 |
30262224 has 40 divisors (see below), whose sum is σ = 78949312. Its totient is φ = 9987840.
The previous prime is 30262213. The next prime is 30262229. The reversal of 30262224 is 42226203.
It is a self number, because there is not a number n which added to its sum of digits gives 30262224.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30262229) 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 in 7 ways as a sum of consecutive naturals, for example, 1884 + ... + 8004.
Almost surely, 230262224 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30262224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39474656).
30262224 is an abundant number, since it is smaller than the sum of its proper divisors (48687088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30262224 is a wasteful number, since it uses less digits than its factorization.
30262224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6235 (or 6229 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 30262224 is about 5501.1111604839. Note that the first 4 decimals coincide. The cubic root of 30262224 is about 311.6259488432.
Adding to 30262224 its reverse (42226203), we get a palindrome (72488427).
It can be divided in two parts, 302 and 62224, that added together give a palindrome (62526).
The spelling of 30262224 in words is "thirty million, two hundred sixty-two thousand, two hundred twenty-four".
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