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24020401 = 97247633
BaseRepresentation
bin101101110100…
…0010110110001
31200012100210111
41123220112301
522122123101
62214501321
7411112216
oct133502661
950170714
1024020401
1112616979
128064841
134c90372
143293b0d
152197251
hex16e85b1

24020401 has 4 divisors (see below), whose sum is σ = 24268132. Its totient is φ = 23772672.

The previous prime is 24020393. The next prime is 24020417. The reversal of 24020401 is 10402042.

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 8410000 + 15610401 = 2900^2 + 3951^2 .

It is a cyclic number.

It is not a de Polignac number, because 24020401 - 23 = 24020393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24020471) 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 3 ways as a sum of consecutive naturals, for example, 123720 + ... + 123913.

It is an arithmetic number, because the mean of its divisors is an integer number (6067033).

Almost surely, 224020401 is an apocalyptic number.

It is an amenable number.

24020401 is a deficient number, since it is larger than the sum of its proper divisors (247731).

24020401 is an equidigital number, since it uses as much as digits as its factorization.

24020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247730.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 24020401 is about 4901.0612116153. The cubic root of 24020401 is about 288.5316223959.

Adding to 24020401 its reverse (10402042), we get a palindrome (34422443).

The spelling of 24020401 in words is "twenty-four million, twenty thousand, four hundred one".

Divisors: 1 97 247633 24020401