| Base | Representation |
|---|---|
| bin | 11100111110010… |
| … | …11111101110100 |
| 3 | 121221100112211121 |
| 4 | 32133023331310 |
| 5 | 444210302000 |
| 6 | 40041313324 |
| 7 | 6010642351 |
| oct | 1637137564 |
| 9 | 557315747 |
| 10 | 243056500 |
| 11 | 115220a45 |
| 12 | 69495844 |
| 13 | 3b48111b |
| 14 | 243cd628 |
| 15 | 16511b1a |
| hex | e7cbf74 |
243056500 has 48 divisors (see below), whose sum is σ = 536202576. Its totient is φ = 96240000.
The previous prime is 243056491. The next prime is 243056507. The reversal of 243056500 is 5650342.
It can be written as a sum of positive squares in 8 ways, for example, as 7986276 + 235070224 = 2826^2 + 15332^2 .
It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243056507) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48094 + ... + 52906.
It is an arithmetic number, because the mean of its divisors is an integer number (11170887).
Almost surely, 2243056500 is an apocalyptic number.
243056500 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 243056500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268101288).
243056500 is an abundant number, since it is smaller than the sum of its proper divisors (293146076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243056500 is a wasteful number, since it uses less digits than its factorization.
243056500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4933 (or 4921 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 243056500 is about 15590.2694011361. The cubic root of 243056500 is about 624.0735072566.
The spelling of 243056500 in words is "two hundred forty-three million, fifty-six thousand, five hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •