| Base | Representation |
|---|---|
| bin | 11001000011011… |
| … | …100011100000000 |
| 3 | 1002021221010220110 |
| 4 | 121003130130000 |
| 5 | 1330101131222 |
| 6 | 105413111320 |
| 7 | 13262526360 |
| oct | 3103343400 |
| 9 | 1067833813 |
| 10 | 420333312 |
| 11 | 1a62a3703 |
| 12 | b8928540 |
| 13 | 69110649 |
| 14 | 3db789a0 |
| 15 | 26d7d30c |
| hex | 190dc700 |
420333312 has 144 divisors (see below), whose sum is σ = 1310383872. Its totient is φ = 117104640.
The previous prime is 420333307. The next prime is 420333317. The reversal of 420333312 is 213333024.
It is an interprime number because it is at equal distance from previous prime (420333307) and next prime (420333317).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420333317) 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 15 ways as a sum of consecutive naturals, for example, 219463 + ... + 221369.
It is an arithmetic number, because the mean of its divisors is an integer number (9099888).
Almost surely, 2420333312 is an apocalyptic number.
420333312 is a gapful number since it is divisible by the number (42) 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 420333312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655191936).
420333312 is an abundant number, since it is smaller than the sum of its proper divisors (890050560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420333312 is a wasteful number, since it uses less digits than its factorization.
420333312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1974 (or 1960 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 21.
The square root of 420333312 is about 20502.0318993021. The cubic root of 420333312 is about 749.0852919769.
Adding to 420333312 its reverse (213333024), we get a palindrome (633666336).
The spelling of 420333312 in words is "four hundred twenty million, three hundred thirty-three thousand, three hundred twelve".
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