Base | Representation |
---|---|
bin | 1001000001010100… |
… | …0010000010000010 |
3 | 20020202100111212100 |
4 | 2100111002002002 |
5 | 14424341314300 |
6 | 1040135411230 |
7 | 114001556553 |
oct | 22025020202 |
9 | 6222314770 |
10 | 2421432450 |
11 | 1032921048 |
12 | 576b23b16 |
13 | 2c7881088 |
14 | 18d83c32a |
15 | e28ab700 |
hex | 90542082 |
2421432450 has 72 divisors (see below), whose sum is σ = 6511582116. Its totient is φ = 645120000.
The previous prime is 2421432449. The next prime is 2421432457. The reversal of 2421432450 is 542341242.
It can be written as a sum of positive squares in 6 ways, for example, as 2003189049 + 418243401 = 44757^2 + 20451^2 .
It is a super-4 number, since 4×24214324504 (a number of 39 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (2421432457) 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, 718770 + ... + 722130.
Almost surely, 22421432450 is an apocalyptic number.
2421432450 is an abundant number, since it is smaller than the sum of its proper divisors (4090149666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2421432450 is a wasteful number, since it uses less digits than its factorization.
2421432450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4980 (or 4972 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
The square root of 2421432450 is about 49208.0526946556. The cubic root of 2421432450 is about 1342.8395362703.
Adding to 2421432450 its reverse (542341242), we get a palindrome (2963773692).
The spelling of 2421432450 in words is "two billion, four hundred twenty-one million, four hundred thirty-two thousand, four hundred fifty".
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