Base | Representation |
---|---|
bin | 1100010101110… |
… | …0110101100000 |
3 | 10121101201000211 |
4 | 3011130311200 |
5 | 101222313410 |
6 | 5045223504 |
7 | 1165646122 |
oct | 305346540 |
9 | 117351024 |
10 | 51760480 |
11 | 27243462 |
12 | 15401b94 |
13 | a953805 |
14 | 6c35212 |
15 | 482668a |
hex | 315cd60 |
51760480 has 48 divisors (see below), whose sum is σ = 123533424. Its totient is φ = 20492800.
The previous prime is 51760459. The next prime is 51760493. The reversal of 51760480 is 8406715.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14559 + ... + 17761.
It is an arithmetic number, because the mean of its divisors is an integer number (2573613).
Almost surely, 251760480 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 51760480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61766712).
51760480 is an abundant number, since it is smaller than the sum of its proper divisors (71772944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51760480 is a wasteful number, since it uses less digits than its factorization.
51760480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3319 (or 3311 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 51760480 is about 7194.4756584479. The cubic root of 51760480 is about 372.6771494981.
The spelling of 51760480 in words is "fifty-one million, seven hundred sixty thousand, four hundred eighty".
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