| Base | Representation |
|---|---|
| bin | 11001000111101… |
| … | …011001010111000 |
| 3 | 1002101000111001120 |
| 4 | 121013223022320 |
| 5 | 1330342122412 |
| 6 | 105452545240 |
| 7 | 13305125361 |
| oct | 3107531270 |
| 9 | 1071014046 |
| 10 | 421442232 |
| 11 | 1a6990872 |
| 12 | b9182220 |
| 13 | 6940b303 |
| 14 | 3dd86b68 |
| 15 | 26eebb8c |
| hex | 191eb2b8 |
421442232 has 64 divisors (see below), whose sum is σ = 1080414720. Its totient is φ = 136931328.
The previous prime is 421442227. The next prime is 421442237. The reversal of 421442232 is 232244124.
It is an interprime number because it is at equal distance from previous prime (421442227) and next prime (421442237).
It is a super-3 number, since 3×4214422323 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (421442237) 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, 345688 + ... + 346904.
It is an arithmetic number, because the mean of its divisors is an integer number (16881480).
Almost surely, 2421442232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 421442232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540207360).
421442232 is an abundant number, since it is smaller than the sum of its proper divisors (658972488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
421442232 is a wasteful number, since it uses less digits than its factorization.
421442232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1580 (or 1576 counting only the distinct ones).
The product of its digits is 3072, while the sum is 24.
The square root of 421442232 is about 20529.0582346098. The cubic root of 421442232 is about 749.7434571466.
Adding to 421442232 its reverse (232244124), we get a palindrome (653686356).
The spelling of 421442232 in words is "four hundred twenty-one million, four hundred forty-two thousand, two hundred thirty-two".
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