Base | Representation |
---|---|
bin | 1100010111101… |
… | …1100000000000 |
3 | 10121122002022200 |
4 | 3011323200000 |
5 | 101240323310 |
6 | 5052033200 |
7 | 1200011241 |
oct | 305734000 |
9 | 117562280 |
10 | 51886080 |
11 | 27319864 |
12 | 15462800 |
13 | a998a2c |
14 | 6c68cc8 |
15 | 484d9c0 |
hex | 317b800 |
51886080 has 144 divisors (see below), whose sum is σ = 180147240. Its totient is φ = 13811712.
The previous prime is 51886063. The next prime is 51886111. The reversal of 51886080 is 8068815.
51886080 is a `hidden beast` number, since 518 + 8 + 60 + 80 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91879 + ... + 92441.
Almost surely, 251886080 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 51886080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90073620).
51886080 is an abundant number, since it is smaller than the sum of its proper divisors (128261160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51886080 is a wasteful number, since it uses less digits than its factorization.
51886080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 596 (or 573 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 36.
The square root of 51886080 is about 7203.1992892048. The cubic root of 51886080 is about 372.9783473740.
The spelling of 51886080 in words is "fifty-one million, eight hundred eighty-six thousand, eighty".
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