Base | Representation |
---|---|
bin | 11100100111101… |
… | …11000000000000 |
3 | 121201202200111121 |
4 | 32103313000000 |
5 | 442430241130 |
6 | 35453522024 |
7 | 5643464134 |
oct | 1623670000 |
9 | 551680447 |
10 | 240087040 |
11 | 113582a46 |
12 | 684a3314 |
13 | 3a98164b |
14 | 23c593c4 |
15 | 16126d7a |
hex | e4f7000 |
240087040 has 104 divisors (see below), whose sum is σ = 607444560. Its totient is φ = 90832896.
The previous prime is 240087037. The next prime is 240087047. The reversal of 240087040 is 40780042.
It is a junction number, because it is equal to n+sod(n) for n = 240086996 and 240087014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (240087047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388812 + ... + 389428.
Almost surely, 2240087040 is an apocalyptic number.
240087040 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 240087040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303722280).
240087040 is an abundant number, since it is smaller than the sum of its proper divisors (367357520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
240087040 is an equidigital number, since it uses as much as digits as its factorization.
240087040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 665 (or 643 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 25.
The square root of 240087040 is about 15494.7423340951. The cubic root of 240087040 is about 621.5216180877.
The spelling of 240087040 in words is "two hundred forty million, eighty-seven thousand, forty".
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