Base | Representation |
---|---|
bin | 11101000000110… |
… | …00100010010000 |
3 | 121221221111001110 |
4 | 32200120202100 |
5 | 444300321003 |
6 | 40052133320 |
7 | 6013416621 |
oct | 1640304220 |
9 | 557844043 |
10 | 243370128 |
11 | 115415641 |
12 | 69607240 |
13 | 3b560ac1 |
14 | 24471a48 |
15 | 16574a03 |
hex | e818890 |
243370128 has 40 divisors (see below), whose sum is σ = 629274208. Its totient is φ = 81050112.
The previous prime is 243370121. The next prime is 243370159. The reversal of 243370128 is 821073342.
It is a junction number, because it is equal to n+sod(n) for n = 243370095 and 243370104.
It is not an unprimeable number, because it can be changed into a prime (243370121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88551 + ... + 91257.
Almost surely, 2243370128 is an apocalyptic number.
It is an amenable number.
243370128 is an abundant number, since it is smaller than the sum of its proper divisors (385904080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243370128 is a wasteful number, since it uses less digits than its factorization.
243370128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4591 (or 4585 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 243370128 is about 15600.3246120073. The cubic root of 243370128 is about 624.3418163408.
The spelling of 243370128 in words is "two hundred forty-three million, three hundred seventy thousand, one hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •