Base | Representation |
---|---|
bin | 1000001100111010001111 |
3 | 11001020021210 |
4 | 20030322033 |
5 | 1022300111 |
6 | 114025503 |
7 | 24163212 |
oct | 10147217 |
9 | 4036253 |
10 | 2150031 |
11 | 1239394 |
12 | 878293 |
13 | 5a3810 |
14 | 3dd779 |
15 | 2c70a6 |
hex | 20ce8f |
2150031 has 16 divisors (see below), whose sum is σ = 3195360. Its totient is φ = 1276800.
The previous prime is 2150023. The next prime is 2150039. The reversal of 2150031 is 1300512.
2150031 is digitally balanced in base 2, 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 (2150023) and next prime (2150039).
It is not a de Polignac number, because 2150031 - 23 = 2150023 is a prime.
It is a super-2 number, since 2×21500312 = 9245266601922, which contains 22 as substring.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 2149989 and 2150016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2150039) 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, 181 + ... + 2081.
It is an arithmetic number, because the mean of its divisors is an integer number (199710).
22150031 is an apocalyptic number.
2150031 is a deficient number, since it is larger than the sum of its proper divisors (1045329).
2150031 is a wasteful number, since it uses less digits than its factorization.
2150031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1946.
The product of its (nonzero) digits is 30, while the sum is 12.
The square root of 2150031 is about 1466.2984007357. The cubic root of 2150031 is about 129.0669083830.
Adding to 2150031 its reverse (1300512), we get a palindrome (3450543).
The spelling of 2150031 in words is "two million, one hundred fifty thousand, thirty-one".
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