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10213223 = 41249103
BaseRepresentation
bin100110111101…
…011101100111
3201012212220112
4212331131213
510103310343
61002523235
7152545106
oct46753547
921185815
1010213223
115846389
12350651b
132167937
1414dc03d
15d6b218
hex9bd767

10213223 has 4 divisors (see below), whose sum is σ = 10462368. Its totient is φ = 9964080.

The previous prime is 10213207. The next prime is 10213253. The reversal of 10213223 is 32231201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10213223 - 24 = 10213207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10213198 and 10213207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213253) 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, 124511 + ... + 124592.

It is an arithmetic number, because the mean of its divisors is an integer number (2615592).

It is a self-describing number.

Almost surely, 210213223 is an apocalyptic number.

10213223 is a deficient number, since it is larger than the sum of its proper divisors (249145).

10213223 is an equidigital number, since it uses as much as digits as its factorization.

10213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249144.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10213223 is about 3195.8133550006. The cubic root of 10213223 is about 216.9639629539.

Adding to 10213223 its reverse (32231201), we get a palindrome (42444424).

The spelling of 10213223 in words is "ten million, two hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 41 249103 10213223