Base | Representation |
---|---|
bin | 11111000100000… |
… | …11100101011100 |
3 | 200011100010112200 |
4 | 33202003211130 |
5 | 1013202221240 |
6 | 41505131500 |
7 | 6312641265 |
oct | 1742034534 |
9 | 604303480 |
10 | 260585820 |
11 | 124103a90 |
12 | 73329b90 |
13 | 41caaac1 |
14 | 2687396c |
15 | 17d25930 |
hex | f88395c |
260585820 has 144 divisors (see below), whose sum is σ = 885856608. Its totient is φ = 61447680.
The previous prime is 260585807. The next prime is 260585827. The reversal of 260585820 is 28585062.
260585820 is a `hidden beast` number, since 26 + 0 + 58 + 582 + 0 = 666.
260585820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (260585827) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71482 + ... + 75038.
It is an arithmetic number, because the mean of its divisors is an integer number (6151782).
Almost surely, 2260585820 is an apocalyptic number.
260585820 is a gapful number since it is divisible by the number (20) 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 260585820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442928304).
260585820 is an abundant number, since it is smaller than the sum of its proper divisors (625270788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
260585820 is a wasteful number, since it uses less digits than its factorization.
260585820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3620 (or 3615 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 260585820 is about 16142.6707827422. The cubic root of 260585820 is about 638.7294291166.
It can be divided in two parts, 26058 and 5820, that added together give a triangular number (31878 = T252).
The spelling of 260585820 in words is "two hundred sixty million, five hundred eighty-five thousand, eight hundred twenty".
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