Base | Representation |
---|---|
bin | 111001101010… |
… | …0111100000000 |
3 | 2002212221221120 |
4 | 1303110330000 |
5 | 30214413240 |
6 | 2555552240 |
7 | 514653606 |
oct | 163247400 |
9 | 62787846 |
10 | 30232320 |
11 | 16079a98 |
12 | a15b680 |
13 | 6356961 |
14 | 402d876 |
15 | 29c2ad0 |
hex | 1cd4f00 |
30232320 has 72 divisors (see below), whose sum is σ = 96566736. Its totient is φ = 8060928.
The previous prime is 30232303. The next prime is 30232337. The reversal of 30232320 is 2323203.
It is an interprime number because it is at equal distance from previous prime (30232303) and next prime (30232337).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 30232320.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97 + ... + 7776.
Almost surely, 230232320 is an apocalyptic number.
30232320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48283368).
30232320 is an abundant number, since it is smaller than the sum of its proper divisors (66334416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30232320 is an equidigital number, since it uses as much as digits as its factorization.
30232320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7897 (or 7883 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 15.
The square root of 30232320 is about 5498.3924923563. The cubic root of 30232320 is about 311.5232693048.
Adding to 30232320 its reverse (2323203), we get a palindrome (32555523).
It can be divided in two parts, 30 and 232320, that multiplied together give a square (6969600 = 26402).
The spelling of 30232320 in words is "thirty million, two hundred thirty-two thousand, three hundred twenty".
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