| Base | Representation |
|---|---|
| bin | 11001001011100… |
| … | …000000010111000 |
| 3 | 1002102220102221000 |
| 4 | 121023200002320 |
| 5 | 1331121221430 |
| 6 | 105530245000 |
| 7 | 13316503530 |
| oct | 3113400270 |
| 9 | 1072812830 |
| 10 | 422445240 |
| 11 | 1a75063a8 |
| 12 | b9586760 |
| 13 | 6969c9c9 |
| 14 | 401684c0 |
| 15 | 27148e60 |
| hex | 192e00b8 |
422445240 has 512 divisors, whose sum is σ = 1804032000. Its totient is φ = 85598208.
The previous prime is 422445239. The next prime is 422445241. The reversal of 422445240 is 42544224.
It is an interprime number because it is at equal distance from previous prime (422445239) and next prime (422445241).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (422445241) 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 127 ways as a sum of consecutive naturals, for example, 2441794 + ... + 2441966.
It is an arithmetic number, because the mean of its divisors is an integer number (3523500).
Almost surely, 2422445240 is an apocalyptic number.
422445240 is a gapful number since it is divisible by the number (40) 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 422445240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902016000).
422445240 is an abundant number, since it is smaller than the sum of its proper divisors (1381586760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
422445240 is a wasteful number, since it uses less digits than its factorization.
422445240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236 (or 226 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 27.
The square root of 422445240 is about 20553.4726992788. The cubic root of 422445240 is about 750.3377678610.
Adding to 422445240 its reverse (42544224), we get a palindrome (464989464).
The spelling of 422445240 in words is "four hundred twenty-two million, four hundred forty-five thousand, two hundred forty".
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