Base | Representation |
---|---|
bin | 1001000001010110… |
… | …0111110110110100 |
3 | 20020202122101101111 |
4 | 2100111213312310 |
5 | 14424411244010 |
6 | 1040143004404 |
7 | 114003103342 |
oct | 22025476664 |
9 | 6222571344 |
10 | 2421587380 |
11 | 1032a17493 |
12 | 576b99704 |
13 | 2c7906754 |
14 | 18d87c992 |
15 | e28dc58a |
hex | 90567db4 |
2421587380 has 24 divisors (see below), whose sum is σ = 5090357160. Its totient is φ = 967678080.
The previous prime is 2421587339. The next prime is 2421587417. The reversal of 2421587380 is 837851242.
It is a happy number.
2421587380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1340964 + 2420246416 = 1158^2 + 49196^2 .
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, 38875 + ... + 79714.
It is an arithmetic number, because the mean of its divisors is an integer number (212098215).
Almost surely, 22421587380 is an apocalyptic number.
2421587380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2421587380 is an abundant number, since it is smaller than the sum of its proper divisors (2668769780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2421587380 is a wasteful number, since it uses less digits than its factorization.
2421587380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119619 (or 119617 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 40.
The square root of 2421587380 is about 49209.6269036862. The cubic root of 2421587380 is about 1342.8681751988.
The spelling of 2421587380 in words is "two billion, four hundred twenty-one million, five hundred eighty-seven thousand, three hundred eighty".
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