Base | Representation |
---|---|
bin | 11001101100011… |
… | …011000000110100 |
3 | 1010001010220020211 |
4 | 121230123000310 |
5 | 1340323403010 |
6 | 110435235204 |
7 | 13453036351 |
oct | 3154330064 |
9 | 1101126224 |
10 | 431075380 |
11 | 20137034a |
12 | 100448b04 |
13 | 6b401bb8 |
14 | 41373628 |
15 | 27ca108a |
hex | 19b1b034 |
431075380 has 24 divisors (see below), whose sum is σ = 913568040. Its totient is φ = 170847360.
The previous prime is 431075369. The next prime is 431075413. The reversal of 431075380 is 83570134.
431075380 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 18335524 + 412739856 = 4282^2 + 20316^2 .
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 96691 + ... + 101050.
It is an arithmetic number, because the mean of its divisors is an integer number (38065335).
Almost surely, 2431075380 is an apocalyptic number.
It is an amenable number.
431075380 is an abundant number, since it is smaller than the sum of its proper divisors (482492660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
431075380 is a wasteful number, since it uses less digits than its factorization.
431075380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197859 (or 197857 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 431075380 is about 20762.3548760732. The cubic root of 431075380 is about 755.4129168290.
The spelling of 431075380 in words is "four hundred thirty-one million, seventy-five thousand, three hundred eighty".
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