Base | Representation |
---|---|
bin | 1100001100101… |
… | …0010000000000 |
3 | 10120021012102012 |
4 | 3003022100000 |
5 | 101044110224 |
6 | 5024312052 |
7 | 1160565464 |
oct | 303122000 |
9 | 116235365 |
10 | 51160064 |
11 | 2697334a |
12 | 15172628 |
13 | a7a3437 |
14 | 6b1a4a4 |
15 | 475880e |
hex | 30ca400 |
51160064 has 44 divisors (see below), whose sum is σ = 104544384. Its totient is φ = 25012224.
The previous prime is 51160063. The next prime is 51160069. The reversal of 51160064 is 46006115.
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (51160063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47597 + ... + 48659.
Almost surely, 251160064 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 51160064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52272192).
51160064 is an abundant number, since it is smaller than the sum of its proper divisors (53384320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51160064 is a wasteful number, since it uses less digits than its factorization.
51160064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1130 (or 1112 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 51160064 is about 7152.6263707816. The cubic root of 51160064 is about 371.2305365287.
Adding to 51160064 its reverse (46006115), we get a palindrome (97166179).
The spelling of 51160064 in words is "fifty-one million, one hundred sixty thousand, sixty-four".
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