Base | Representation |
---|---|
bin | 11011000101110000000 |
3 | 1200002200001 |
4 | 3120232000 |
5 | 211401210 |
6 | 31005344 |
7 | 10354663 |
oct | 3305600 |
9 | 1602601 |
10 | 887680 |
11 | 556a22 |
12 | 369854 |
13 | 251071 |
14 | 1916da |
15 | 12803a |
hex | d8b80 |
887680 has 64 divisors (see below), whose sum is σ = 2264400. Its totient is φ = 331776.
The previous prime is 887671. The next prime is 887681. The reversal of 887680 is 86788.
It is a tau number, because it is divible by the number of its divisors (64).
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (887681) 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, 12124 + ... + 12196.
2887680 is an apocalyptic number.
887680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 887680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132200).
887680 is an abundant number, since it is smaller than the sum of its proper divisors (1376720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
887680 is a wasteful number, since it uses less digits than its factorization.
887680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111 (or 99 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 37.
The square root of 887680 is about 942.1677133080. The cubic root of 887680 is about 96.1063635920.
The spelling of 887680 in words is "eight hundred eighty-seven thousand, six hundred eighty".
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