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23420441 = 1117125243
BaseRepresentation
bin101100101010…
…1111000011001
31122001212210202
41121111320121
521443423231
62153551545
7403033112
oct131257031
948055722
1023420441
1112247140
127a155b5
134b10265
143179209
1520c95cb
hex1655e19

23420441 has 8 divisors (see below), whose sum is σ = 27052704. Its totient is φ = 20038720.

The previous prime is 23420437. The next prime is 23420443. The reversal of 23420441 is 14402432.

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 23420441 - 22 = 23420437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23420443) 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, 62435 + ... + 62808.

It is an arithmetic number, because the mean of its divisors is an integer number (3381588).

Almost surely, 223420441 is an apocalyptic number.

It is an amenable number.

23420441 is a deficient number, since it is larger than the sum of its proper divisors (3632263).

23420441 is a wasteful number, since it uses less digits than its factorization.

23420441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125271.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 23420441 is about 4839.4670161083. The cubic root of 23420441 is about 286.1091120342.

Adding to 23420441 its reverse (14402432), we get a palindrome (37822873).

Subtracting from 23420441 its reverse (14402432), we obtain a square (9018009 = 30032).

The spelling of 23420441 in words is "twenty-three million, four hundred twenty thousand, four hundred forty-one".

Divisors: 1 11 17 187 125243 1377673 2129131 23420441