Base | Representation |
---|---|
bin | 1100010101101… |
… | …1000001000110 |
3 | 10121101022210220 |
4 | 3011123001012 |
5 | 101222044110 |
6 | 5045125210 |
7 | 1165615320 |
oct | 305330106 |
9 | 117338726 |
10 | 51753030 |
11 | 272388aa |
12 | 153b9806 |
13 | a9502c4 |
14 | 6c32610 |
15 | 4824370 |
hex | 315b046 |
51753030 has 64 divisors (see below), whose sum is σ = 144391680. Its totient is φ = 11625984.
The previous prime is 51753007. The next prime is 51753041. The reversal of 51753030 is 3035715.
It is a super-2 number, since 2×517530302 = 5356752228361800, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10302 + ... + 14478.
It is an arithmetic number, because the mean of its divisors is an integer number (2256120).
Almost surely, 251753030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51753030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72195840).
51753030 is an abundant number, since it is smaller than the sum of its proper divisors (92638650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51753030 is a wasteful number, since it uses less digits than its factorization.
51753030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4253.
The product of its (nonzero) digits is 1575, while the sum is 24.
The square root of 51753030 is about 7193.9578814447. The cubic root of 51753030 is about 372.6592685589.
Adding to 51753030 its reverse (3035715), we get a palindrome (54788745).
The spelling of 51753030 in words is "fifty-one million, seven hundred fifty-three thousand, thirty".
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