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23725243 = 191248697
BaseRepresentation
bin101101010000…
…0010010111011
31122122100220201
41122200102323
522033201433
62204303031
7405442543
oct132402273
948570821
1023725243
1112435143
127b41a77
134bb8c09
143218323
152139a7d
hex16a04bb

23725243 has 4 divisors (see below), whose sum is σ = 24973960. Its totient is φ = 22476528.

The previous prime is 23725241. The next prime is 23725253. The reversal of 23725243 is 34252732.

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 23725243 - 21 = 23725241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23725241) 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, 624330 + ... + 624367.

It is an arithmetic number, because the mean of its divisors is an integer number (6243490).

Almost surely, 223725243 is an apocalyptic number.

23725243 is a deficient number, since it is larger than the sum of its proper divisors (1248717).

23725243 is a wasteful number, since it uses less digits than its factorization.

23725243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248716.

The product of its digits is 10080, while the sum is 28.

The square root of 23725243 is about 4870.8564955252. The cubic root of 23725243 is about 287.3449417178.

Adding to 23725243 its reverse (34252732), we get a palindrome (57977975).

The spelling of 23725243 in words is "twenty-three million, seven hundred twenty-five thousand, two hundred forty-three".

Divisors: 1 19 1248697 23725243