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20482851 = 37393529
BaseRepresentation
bin100111000100…
…0101100100011
31102112122012010
41032020230203
520220422401
62011004003
7336046524
oct116105443
942478163
1020482851
1110620084
126a39603
13432213c
142a1284b
151be8ed6
hex1388b23

20482851 has 8 divisors (see below), whose sum is σ = 27684880. Its totient is φ = 13468032.

The previous prime is 20482843. The next prime is 20482859. The reversal of 20482851 is 15828402.

It is an interprime number because it is at equal distance from previous prime (20482843) and next prime (20482859).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20482851 - 23 = 20482843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20482859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46546 + ... + 46983.

It is an arithmetic number, because the mean of its divisors is an integer number (3460610).

Almost surely, 220482851 is an apocalyptic number.

20482851 is a deficient number, since it is larger than the sum of its proper divisors (7202029).

20482851 is an equidigital number, since it uses as much as digits as its factorization.

20482851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93605.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 20482851 is about 4525.7983826061. The cubic root of 20482851 is about 273.6088465600.

The spelling of 20482851 in words is "twenty million, four hundred eighty-two thousand, eight hundred fifty-one".

Divisors: 1 3 73 219 93529 280587 6827617 20482851