Base | Representation |
---|---|
bin | 1001000001000010… |
… | …1101101010000101 |
3 | 20020200020000000100 |
4 | 2100100231222011 |
5 | 14424044103141 |
6 | 1040055234313 |
7 | 113656133310 |
oct | 22020555205 |
9 | 6220200010 |
10 | 2420300421 |
11 | 1032218590 |
12 | 576678999 |
13 | 2c7575a36 |
14 | 18d625977 |
15 | e27360b6 |
hex | 9042da85 |
2420300421 has 48 divisors (see below), whose sum is σ = 4615049088. Its totient is φ = 1183334400.
The previous prime is 2420300413. The next prime is 2420300437. The reversal of 2420300421 is 1240030242.
2420300421 is a `hidden beast` number, since 242 + 0 + 3 + 0 + 0 + 421 = 666.
It is not a de Polignac number, because 2420300421 - 23 = 2420300413 is a prime.
It is a super-3 number, since 3×24203004213 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2420300394 and 2420300403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2420300411) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90940 + ... + 114501.
It is an arithmetic number, because the mean of its divisors is an integer number (96146856).
Almost surely, 22420300421 is an apocalyptic number.
2420300421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2420300421 is a deficient number, since it is larger than the sum of its proper divisors (2194748667).
2420300421 is a wasteful number, since it uses less digits than its factorization.
2420300421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205482 (or 205479 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 2420300421 is about 49196.5488728630. The cubic root of 2420300421 is about 1342.6302427660.
Adding to 2420300421 its reverse (1240030242), we get a palindrome (3660330663).
The spelling of 2420300421 in words is "two billion, four hundred twenty million, three hundred thousand, four hundred twenty-one".
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