Base | Representation |
---|---|
bin | 111001010011… |
… | …0111101110000 |
3 | 2002112101122100 |
4 | 1302212331300 |
5 | 30142402031 |
6 | 2551540400 |
7 | 513240612 |
oct | 162467560 |
9 | 62471570 |
10 | 30044016 |
11 | 15a60572 |
12 | a08a700 |
13 | 62bc032 |
14 | 3dc0db2 |
15 | 2986de6 |
hex | 1ca6f70 |
30044016 has 120 divisors (see below), whose sum is σ = 90272000. Its totient is φ = 9300096.
The previous prime is 30043999. The next prime is 30044033. The reversal of 30044016 is 61044003.
It is an interprime number because it is at equal distance from previous prime (30043999) and next prime (30044033).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a self number, because there is not a number n which added to its sum of digits gives 30044016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216075 + ... + 216213.
Almost surely, 230044016 is an apocalyptic number.
30044016 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 30044016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45136000).
30044016 is an abundant number, since it is smaller than the sum of its proper divisors (60227984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30044016 is a wasteful number, since it uses less digits than its factorization.
30044016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251 (or 242 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 30044016 is about 5481.2421949773. The cubic root of 30044016 is about 310.8751407196.
Adding to 30044016 its reverse (61044003), we get a palindrome (91088019).
The spelling of 30044016 in words is "thirty million, forty-four thousand, sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •