Base | Representation |
---|---|
bin | 111101111101101011111 |
3 | 10211011020011 |
4 | 13233231133 |
5 | 1004433211 |
6 | 111304051 |
7 | 23154424 |
oct | 7575537 |
9 | 3734204 |
10 | 2030431 |
11 | 1167547 |
12 | 81b027 |
13 | 561250 |
14 | 3abd4b |
15 | 2a1921 |
hex | 1efb5f |
2030431 has 8 divisors (see below), whose sum is σ = 2198000. Its totient is φ = 1864512.
The previous prime is 2030419. The next prime is 2030437. The reversal of 2030431 is 1340302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2030431 - 213 = 2022239 is a prime.
It is a super-2 number, since 2×20304312 = 8245300091522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2030437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3820 + ... + 4318.
It is an arithmetic number, because the mean of its divisors is an integer number (274750).
22030431 is an apocalyptic number.
2030431 is a deficient number, since it is larger than the sum of its proper divisors (167569).
2030431 is a wasteful number, since it uses less digits than its factorization.
2030431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 825.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 2030431 is about 1424.9319281987. The cubic root of 2030431 is about 126.6279021114.
Adding to 2030431 its reverse (1340302), we get a palindrome (3370733).
The spelling of 2030431 in words is "two million, thirty thousand, four hundred thirty-one".
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