Base | Representation |
---|---|
bin | 11100111110100… |
… | …11011010011000 |
3 | 121221102002200020 |
4 | 32133103122120 |
5 | 444212241000 |
6 | 40042110440 |
7 | 6011130312 |
oct | 1637233230 |
9 | 557362606 |
10 | 243087000 |
11 | 115241952 |
12 | 694ab420 |
13 | 3b491c80 |
14 | 243da7b2 |
15 | 1651aba0 |
hex | e7d3698 |
243087000 has 256 divisors, whose sum is σ = 855429120. Its totient is φ = 57024000.
The previous prime is 243086993. The next prime is 243087011. The reversal of 243087000 is 780342.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 896865 + ... + 897135.
It is an arithmetic number, because the mean of its divisors is an integer number (3341520).
Almost surely, 2243087000 is an apocalyptic number.
243087000 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 243087000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427714560).
243087000 is an abundant number, since it is smaller than the sum of its proper divisors (612342120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243087000 is a wasteful number, since it uses less digits than its factorization.
243087000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 331 (or 317 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 243087000 is about 15591.2475446964. The cubic root of 243087000 is about 624.0996101666.
It can be divided in two parts, 24 and 3087000, that multiplied together give a cube (74088000 = 4203).
The spelling of 243087000 in words is "two hundred forty-three million, eighty-seven thousand".
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