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20482401 = 36827467
BaseRepresentation
bin100111000100…
…0100101100001
31102112121120110
41032020211201
520220414101
62011001533
7336045312
oct116104541
942477513
1020482401
111061a805
126a392a9
134321b84
142a12609
151be8cd6
hex1388961

20482401 has 4 divisors (see below), whose sum is σ = 27309872. Its totient is φ = 13654932.

The previous prime is 20482391. The next prime is 20482463. The reversal of 20482401 is 10428402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20482401 - 26 = 20482337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20482481) 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, 3413731 + ... + 3413736.

It is an arithmetic number, because the mean of its divisors is an integer number (6827468).

Almost surely, 220482401 is an apocalyptic number.

It is an amenable number.

20482401 is a deficient number, since it is larger than the sum of its proper divisors (6827471).

20482401 is an equidigital number, since it uses as much as digits as its factorization.

20482401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827470.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 20482401 is about 4525.7486673478. The cubic root of 20482401 is about 273.6068428532.

The spelling of 20482401 in words is "twenty million, four hundred eighty-two thousand, four hundred one".

Divisors: 1 3 6827467 20482401