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23814013 = 53449321
BaseRepresentation
bin101101011010…
…1111101111101
31122210212200111
41122311331331
522044022023
62210230021
7406262416
oct132657575
948725614
1023814013
1112495903
127b85311
134c1a442
14323c80d
15215600d
hex16b5f7d

23814013 has 4 divisors (see below), whose sum is σ = 24263388. Its totient is φ = 23364640.

The previous prime is 23813971. The next prime is 23814023. The reversal of 23814013 is 31041832.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12131289 + 11682724 = 3483^2 + 3418^2 .

It is a cyclic number.

It is not a de Polignac number, because 23814013 - 217 = 23682941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23814023) 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, 224608 + ... + 224713.

It is an arithmetic number, because the mean of its divisors is an integer number (6065847).

Almost surely, 223814013 is an apocalyptic number.

It is an amenable number.

23814013 is a deficient number, since it is larger than the sum of its proper divisors (449375).

23814013 is an equidigital number, since it uses as much as digits as its factorization.

23814013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449374.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 23814013 is about 4879.9603481996. The cubic root of 23814013 is about 287.7028708017.

Adding to 23814013 its reverse (31041832), we get a palindrome (54855845).

The spelling of 23814013 in words is "twenty-three million, eight hundred fourteen thousand, thirteen".

Divisors: 1 53 449321 23814013