Base | Representation |
---|---|
bin | 100110111011… |
… | …001101100001 |
3 | 201012102020222 |
4 | 212323031201 |
5 | 10103012001 |
6 | 1002412425 |
7 | 152506163 |
oct | 46731541 |
9 | 21172228 |
10 | 10204001 |
11 | 583a465 |
12 | 3501115 |
13 | 2163692 |
14 | 14d8933 |
15 | d6861b |
hex | 9bb361 |
10204001 has 4 divisors (see below), whose sum is σ = 10211604. Its totient is φ = 10196400.
The previous prime is 10203989. The next prime is 10204021. The reversal of 10204001 is 10040201.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10040201 = 73 ⋅137537.
It can be written as a sum of positive squares in 2 ways, for example, as 1442401 + 8761600 = 1201^2 + 2960^2 .
It is a cyclic number.
It is not a de Polignac number, because 10204001 - 218 = 9941857 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10204001.
It is not an unprimeable number, because it can be changed into a prime (10204021) 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 3 ways as a sum of consecutive naturals, for example, 1190 + ... + 4671.
It is an arithmetic number, because the mean of its divisors is an integer number (2552901).
Almost surely, 210204001 is an apocalyptic number.
It is an amenable number.
10204001 is a deficient number, since it is larger than the sum of its proper divisors (7603).
10204001 is an equidigital number, since it uses as much as digits as its factorization.
10204001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7602.
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 10204001 is about 3194.3702039682. The cubic root of 10204001 is about 216.8986409628.
Adding to 10204001 its reverse (10040201), we get a palindrome (20244202).
The spelling of 10204001 in words is "ten million, two hundred four thousand, one".
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