Base | Representation |
---|---|
bin | 11101000000110… |
… | …00100101010101 |
3 | 121221221111022202 |
4 | 32200120211111 |
5 | 444300322300 |
6 | 40052134245 |
7 | 6013420322 |
oct | 1640304525 |
9 | 557844282 |
10 | 243370325 |
11 | 115415800 |
12 | 69607385 |
13 | 3b560c13 |
14 | 24471b49 |
15 | 16574ad5 |
hex | e818955 |
243370325 has 36 divisors (see below), whose sum is σ = 339603264. Its totient is φ = 172788000.
The previous prime is 243370289. The next prime is 243370327. The reversal of 243370325 is 523073342.
It is not a de Polignac number, because 243370325 - 214 = 243353941 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243370327) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 129140 + ... + 131010.
It is an arithmetic number, because the mean of its divisors is an integer number (9433424).
Almost surely, 2243370325 is an apocalyptic number.
243370325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
243370325 is a deficient number, since it is larger than the sum of its proper divisors (96232939).
243370325 is a wasteful number, since it uses less digits than its factorization.
243370325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1946 (or 1930 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 29.
The square root of 243370325 is about 15600.3309259772. The cubic root of 243370325 is about 624.3419848021.
The spelling of 243370325 in words is "two hundred forty-three million, three hundred seventy thousand, three hundred twenty-five".
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