Base | Representation |
---|---|
bin | 1100010101000… |
… | …1001010100000 |
3 | 10121022021110011 |
4 | 3011101022200 |
5 | 101214301142 |
6 | 5044214304 |
7 | 1165356544 |
oct | 305211240 |
9 | 117267404 |
10 | 51712672 |
11 | 27210550 |
12 | 1539a394 |
13 | a937b1b |
14 | 6c21a24 |
15 | 4817417 |
hex | 31512a0 |
51712672 has 48 divisors (see below), whose sum is σ = 112184352. Its totient is φ = 23269120.
The previous prime is 51712667. The next prime is 51712679. The reversal of 51712672 is 27621715.
It is not an unprimeable number, because it can be changed into a prime (51712679) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36978 + ... + 38350.
It is an arithmetic number, because the mean of its divisors is an integer number (2337174).
Almost surely, 251712672 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 51712672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56092176).
51712672 is an abundant number, since it is smaller than the sum of its proper divisors (60471680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51712672 is a wasteful number, since it uses less digits than its factorization.
51712672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1501 (or 1493 counting only the distinct ones).
The product of its digits is 5880, while the sum is 31.
The square root of 51712672 is about 7191.1523415931. The cubic root of 51712672 is about 372.5623744325.
The spelling of 51712672 in words is "fifty-one million, seven hundred twelve thousand, six hundred seventy-two".
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