Base | Representation |
---|---|
bin | 111001100110… |
… | …1001001111000 |
3 | 2002211100012211 |
4 | 1303031021320 |
5 | 30212403230 |
6 | 2555144504 |
7 | 514461634 |
oct | 163151170 |
9 | 62740184 |
10 | 30200440 |
11 | 16058046 |
12 | a145134 |
13 | 63452aa |
14 | 4021dc4 |
15 | 29b842a |
hex | 1ccd278 |
30200440 has 32 divisors (see below), whose sum is σ = 68186160. Its totient is φ = 12038400.
The previous prime is 30200419. The next prime is 30200441. The reversal of 30200440 is 4400203.
It is a self number, because there is not a number n which added to its sum of digits gives 30200440.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30200441) 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, 12100 + ... + 14380.
Almost surely, 230200440 is an apocalyptic number.
It is an amenable number.
30200440 is an abundant number, since it is smaller than the sum of its proper divisors (37985720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30200440 is a wasteful number, since it uses less digits than its factorization.
30200440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2623 (or 2619 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 13.
The square root of 30200440 is about 5495.4926985667. The cubic root of 30200440 is about 311.4137302998.
Adding to 30200440 its reverse (4400203), we get a palindrome (34600643).
The spelling of 30200440 in words is "thirty million, two hundred thousand, four hundred forty".
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