Base | Representation |
---|---|
bin | 1100001010101… |
… | …1001010001000 |
3 | 10120000201201110 |
4 | 3002223022020 |
5 | 101031021322 |
6 | 5021450320 |
7 | 1156525263 |
oct | 302531210 |
9 | 116021643 |
10 | 51032712 |
11 | 268966a5 |
12 | 151109a0 |
13 | a75a493 |
14 | 6ac5cda |
15 | 4730c0c |
hex | 30ab288 |
51032712 has 16 divisors (see below), whose sum is σ = 127581840. Its totient is φ = 17010896.
The previous prime is 51032711. The next prime is 51032719. The reversal of 51032712 is 21723015.
It is not an unprimeable number, because it can be changed into a prime (51032711) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063158 + ... + 1063205.
It is an arithmetic number, because the mean of its divisors is an integer number (7973865).
Almost surely, 251032712 is an apocalyptic number.
It is an amenable number.
51032712 is an abundant number, since it is smaller than the sum of its proper divisors (76549128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51032712 is a wasteful number, since it uses less digits than its factorization.
51032712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2126372 (or 2126368 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 51032712 is about 7143.7183595100. The cubic root of 51032712 is about 370.9222476634.
Adding to 51032712 its reverse (21723015), we get a palindrome (72755727).
The spelling of 51032712 in words is "fifty-one million, thirty-two thousand, seven hundred twelve".
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