Search a number
10053221 = 18475443
BaseRepresentation
bin100110010110…
…011001100101
3200220202102112
4212112121211
510033200341
6555250405
7151310453
oct46263145
920822375
1010053221
115747152
123449a05
13210cb69
1414999d3
15d38aeb
hex996665

10053221 has 4 divisors (see below), whose sum is σ = 10060512. Its totient is φ = 10045932.

The previous prime is 10053217. The next prime is 10053229. The reversal of 10053221 is 12235001.

It is a happy number.

10053221 is digitally balanced in base 2, 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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10053221 - 22 = 10053217 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 10053196 and 10053205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10053229) 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, 875 + ... + 4568.

It is an arithmetic number, because the mean of its divisors is an integer number (2515128).

Almost surely, 210053221 is an apocalyptic number.

It is an amenable number.

10053221 is a deficient number, since it is larger than the sum of its proper divisors (7291).

10053221 is an equidigital number, since it uses as much as digits as its factorization.

10053221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 10053221 is about 3170.6814724914. The cubic root of 10053221 is about 215.8249968539.

Adding to 10053221 its reverse (12235001), we get a palindrome (22288222).

The spelling of 10053221 in words is "ten million, fifty-three thousand, two hundred twenty-one".

Divisors: 1 1847 5443 10053221