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20482375 = 53163859
BaseRepresentation
bin100111000100…
…0100101000111
31102112121112111
41032020211013
520220414000
62011001451
7336045244
oct116104507
942477474
1020482375
111061a791
126a39287
134321b64
142a125cb
151be8cba
hex1388947

20482375 has 8 divisors (see below), whose sum is σ = 25562160. Its totient is φ = 16385800.

The previous prime is 20482373. The next prime is 20482387. The reversal of 20482375 is 57328402.

It is not a de Polignac number, because 20482375 - 21 = 20482373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20482373) 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, 81805 + ... + 82054.

It is an arithmetic number, because the mean of its divisors is an integer number (3195270).

Almost surely, 220482375 is an apocalyptic number.

20482375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20482375 is a deficient number, since it is larger than the sum of its proper divisors (5079785).

20482375 is an equidigital number, since it uses as much as digits as its factorization.

20482375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163874 (or 163864 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 20482375 is about 4525.7457948939. The cubic root of 20482375 is about 273.6067270826.

The spelling of 20482375 in words is "twenty million, four hundred eighty-two thousand, three hundred seventy-five".

Divisors: 1 5 25 125 163859 819295 4096475 20482375