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23252251 = 114215021
BaseRepresentation
bin101100010110…
…0110100011011
31121202100002111
41120230310123
521423033001
62150213151
7401432551
oct130546433
947670074
1023252251
1112141840
1279541b7
134a81839
143133bd1
152094851
hex162cd1b

23252251 has 8 divisors (see below), whose sum is σ = 25431408. Its totient is φ = 21084000.

The previous prime is 23252249. The next prime is 23252261. The reversal of 23252251 is 15225232.

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 23252251 - 21 = 23252249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23252231) 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 7 ways as a sum of consecutive naturals, for example, 2121 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (3178926).

Almost surely, 223252251 is an apocalyptic number.

23252251 is a deficient number, since it is larger than the sum of its proper divisors (2179157).

23252251 is a wasteful number, since it uses less digits than its factorization.

23252251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453.

The product of its digits is 1200, while the sum is 22.

The square root of 23252251 is about 4822.0587926735. The cubic root of 23252251 is about 285.4225843470.

Adding to 23252251 its reverse (15225232), we get a palindrome (38477483).

The spelling of 23252251 in words is "twenty-three million, two hundred fifty-two thousand, two hundred fifty-one".

Divisors: 1 11 421 4631 5021 55231 2113841 23252251