Base | Representation |
---|---|
bin | 111001111111… |
… | …1111010010000 |
3 | 2010012220101200 |
4 | 1303333322100 |
5 | 30241031321 |
6 | 3003431200 |
7 | 516316020 |
oct | 163777220 |
9 | 63186350 |
10 | 30408336 |
11 | 1618a262 |
12 | a225500 |
13 | 63b8aca |
14 | 4077a80 |
15 | 2a09d26 |
hex | 1cffe90 |
30408336 has 120 divisors (see below), whose sum is σ = 98577024. Its totient is φ = 8570880.
The previous prime is 30408311. The next prime is 30408337. The reversal of 30408336 is 63380403.
It is not an unprimeable number, because it can be changed into a prime (30408337) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97621 + ... + 97931.
Almost surely, 230408336 is an apocalyptic number.
30408336 is a gapful number since it is divisible by the number (36) 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 30408336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49288512).
30408336 is an abundant number, since it is smaller than the sum of its proper divisors (68168688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30408336 is a wasteful number, since it uses less digits than its factorization.
30408336 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 429 (or 420 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
The square root of 30408336 is about 5514.3753952737. The cubic root of 30408336 is about 312.1266744005.
Adding to 30408336 its reverse (63380403), we get a palindrome (93788739).
The spelling of 30408336 in words is "thirty million, four hundred eight thousand, three hundred thirty-six".
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