Base | Representation |
---|---|
bin | 11101000000101… |
… | …01011000001110 |
3 | 121221220211022120 |
4 | 32200111120032 |
5 | 444244412243 |
6 | 40051553410 |
7 | 6013334130 |
oct | 1640253016 |
9 | 557824276 |
10 | 243357198 |
11 | 115406957 |
12 | 695bb866 |
13 | 3b557c56 |
14 | 2446b050 |
15 | 16570c83 |
hex | e81560e |
243357198 has 16 divisors (see below), whose sum is σ = 556245120. Its totient is φ = 69530616.
The previous prime is 243357151. The next prime is 243357217. The reversal of 243357198 is 891753342.
It is a super-2 number, since 2×2433571982 = 118445451636822408, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5794219 = 243357198 / (2 + 4 + 3 + 3 + 5 + 7 + 1 + 9 + 8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2897068 + ... + 2897151.
It is an arithmetic number, because the mean of its divisors is an integer number (34765320).
Almost surely, 2243357198 is an apocalyptic number.
243357198 is an abundant number, since it is smaller than the sum of its proper divisors (312887922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243357198 is a wasteful number, since it uses less digits than its factorization.
243357198 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5794231.
The product of its digits is 181440, while the sum is 42.
The square root of 243357198 is about 15599.9101920492. The cubic root of 243357198 is about 624.3307592694.
The spelling of 243357198 in words is "two hundred forty-three million, three hundred fifty-seven thousand, one hundred ninety-eight".
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