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23213203 = 133157601
BaseRepresentation
bin101100010001…
…1010010010011
31121200100112021
41120203102103
521420310303
62145312311
7401210656
oct130432223
947610467
1023213203
1112115472
127935697
134a69b30
14312389d
152087ebd
hex1623493

23213203 has 8 divisors (see below), whose sum is σ = 25805696. Its totient is φ = 20736000.

The previous prime is 23213189. The next prime is 23213209. The reversal of 23213203 is 30231232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23213203 - 213 = 23205011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23213209) 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 7 ways as a sum of consecutive naturals, for example, 28398 + ... + 29203.

It is an arithmetic number, because the mean of its divisors is an integer number (3225712).

Almost surely, 223213203 is an apocalyptic number.

23213203 is a deficient number, since it is larger than the sum of its proper divisors (2592493).

23213203 is a wasteful number, since it uses less digits than its factorization.

23213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57645.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23213203 is about 4818.0081984156. The cubic root of 23213203 is about 285.2627227536.

Adding to 23213203 its reverse (30231232), we get a palindrome (53444435).

The spelling of 23213203 in words is "twenty-three million, two hundred thirteen thousand, two hundred three".

Divisors: 1 13 31 403 57601 748813 1785631 23213203