| Base | Representation |
|---|---|
| bin | 1100010111110… |
| … | …1001100100100 |
| 3 | 10121122102212000 |
| 4 | 3011331030210 |
| 5 | 101241034103 |
| 6 | 5052125300 |
| 7 | 1200040425 |
| oct | 305751444 |
| 9 | 117572760 |
| 10 | 51893028 |
| 11 | 27324000 |
| 12 | 15466830 |
| 13 | a99bc45 |
| 14 | 6c6b64c |
| 15 | 4850aa3 |
| hex | 317d324 |
51893028 has 144 divisors (see below), whose sum is σ = 156179520. Its totient is φ = 14897520.
The previous prime is 51893021. The next prime is 51893033. The reversal of 51893028 is 82039815.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
51893028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 51892983 and 51893001.
It is not an unprimeable number, because it can be changed into a prime (51893021) 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 47 ways as a sum of consecutive naturals, for example, 2731203 + ... + 2731221.
It is an arithmetic number, because the mean of its divisors is an integer number (1084580).
Almost surely, 251893028 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 51893028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78089760).
51893028 is an abundant number, since it is smaller than the sum of its proper divisors (104286492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51893028 is a wasteful number, since it uses less digits than its factorization.
51893028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84 (or 35 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 51893028 is about 7203.6815587587. The cubic root of 51893028 is about 372.9949949854.
The spelling of 51893028 in words is "fifty-one million, eight hundred ninety-three thousand, twenty-eight".
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