| Base | Representation |
|---|---|
| bin | 10010100000001… |
| … | …100111010111100 |
| 3 | 210122010112212000 |
| 4 | 102200030322330 |
| 5 | 1113432301140 |
| 6 | 50445342300 |
| 7 | 10456423605 |
| oct | 2240147274 |
| 9 | 718115760 |
| 10 | 310431420 |
| 11 | 14a2597a2 |
| 12 | 87b67990 |
| 13 | 4c410b40 |
| 14 | 2d32adac |
| 15 | 1c3bea30 |
| hex | 1280cebc |
310431420 has 96 divisors (see below), whose sum is σ = 1040101440. Its totient is φ = 76412160.
The previous prime is 310431419. The next prime is 310431421. The reversal of 310431420 is 24134013.
310431420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (310431419) and next prime (310431421).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 310431393 and 310431402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (310431421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15091 + ... + 29130.
It is an arithmetic number, because the mean of its divisors is an integer number (10834390).
Almost surely, 2310431420 is an apocalyptic number.
310431420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
310431420 is an abundant number, since it is smaller than the sum of its proper divisors (729670020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310431420 is a wasteful number, since it uses less digits than its factorization.
310431420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44252 (or 44244 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 310431420 is about 17619.0641068134. The cubic root of 310431420 is about 677.1037574420.
Adding to 310431420 its reverse (24134013), we get a palindrome (334565433).
The spelling of 310431420 in words is "three hundred ten million, four hundred thirty-one thousand, four hundred twenty".
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