Base | Representation |
---|---|
bin | 10011000111101000110101 |
3 | 100102122012102 |
4 | 103013220311 |
5 | 2240341041 |
6 | 255231445 |
7 | 60413210 |
oct | 23075065 |
9 | 10378172 |
10 | 5012021 |
11 | 2913673 |
12 | 1818585 |
13 | 10663c1 |
14 | 946777 |
15 | 69009b |
hex | 4c7a35 |
5012021 has 4 divisors (see below), whose sum is σ = 5728032. Its totient is φ = 4296012.
The previous prime is 5012011. The next prime is 5012023. The reversal of 5012021 is 1202105.
5012021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1202105 = 5 ⋅240421.
It is a de Polignac number, because none of the positive numbers 2k-5012021 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 5011993 and 5012011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5012023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357995 + ... + 358008.
It is an arithmetic number, because the mean of its divisors is an integer number (1432008).
Almost surely, 25012021 is an apocalyptic number.
It is an amenable number.
5012021 is a deficient number, since it is larger than the sum of its proper divisors (716011).
5012021 is an equidigital number, since it uses as much as digits as its factorization.
5012021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 716010.
The product of its (nonzero) digits is 20, while the sum is 11.
The square root of 5012021 is about 2238.7543411460. The cubic root of 5012021 is about 171.1345224647.
Adding to 5012021 its reverse (1202105), we get a palindrome (6214126).
The spelling of 5012021 in words is "five million, twelve thousand, twenty-one".
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