Base | Representation |
---|---|
bin | 1100001011110… |
… | …0101010011100 |
3 | 10120011101002000 |
4 | 3002330222130 |
5 | 101040320122 |
6 | 5023202300 |
7 | 1160244312 |
oct | 302745234 |
9 | 116141060 |
10 | 51104412 |
11 | 26935557 |
12 | 15146390 |
13 | a783cc8 |
14 | 6b040b2 |
15 | 47470ac |
hex | 30bca9c |
51104412 has 48 divisors (see below), whose sum is σ = 133351680. Its totient is φ = 16924464.
The previous prime is 51104407. The next prime is 51104447. The reversal of 51104412 is 21440115.
51104412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×511044123 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 16153 + ... + 19055.
It is an arithmetic number, because the mean of its divisors is an integer number (2778160).
Almost surely, 251104412 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 51104412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66675840).
51104412 is an abundant number, since it is smaller than the sum of its proper divisors (82247268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51104412 is a wasteful number, since it uses less digits than its factorization.
51104412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3079 (or 3071 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 51104412 is about 7148.7349929900. The cubic root of 51104412 is about 371.0958792983.
Adding to 51104412 its reverse (21440115), we get a palindrome (72544527).
The spelling of 51104412 in words is "fifty-one million, one hundred four thousand, four hundred twelve".
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