Base | Representation |
---|---|
bin | 11010010011110… |
… | …11100011100000 |
3 | 120101022002010211 |
4 | 31021323203200 |
5 | 423000111130 |
6 | 33522303504 |
7 | 5316656521 |
oct | 1511734340 |
9 | 511262124 |
10 | 220707040 |
11 | 103646514 |
12 | 61ab7b94 |
13 | 369574a8 |
14 | 21452848 |
15 | 14599a2a |
hex | d27b8e0 |
220707040 has 96 divisors (see below), whose sum is σ = 556416000. Its totient is φ = 82487808.
The previous prime is 220707037. The next prime is 220707049. The reversal of 220707040 is 40707022.
220707040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220707049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239701 + ... + 240619.
It is an arithmetic number, because the mean of its divisors is an integer number (5796000).
Almost surely, 2220707040 is an apocalyptic number.
220707040 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 220707040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278208000).
220707040 is an abundant number, since it is smaller than the sum of its proper divisors (335708960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220707040 is a wasteful number, since it uses less digits than its factorization.
220707040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1032 (or 1024 counting only the distinct ones).
The product of its (nonzero) digits is 784, while the sum is 22.
The square root of 220707040 is about 14856.2121686519. The cubic root of 220707040 is about 604.3270891846.
The spelling of 220707040 in words is "two hundred twenty million, seven hundred seven thousand, forty".
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