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20041375 = 53672393
BaseRepresentation
bin100110001110…
…0111010011111
31101201012121011
41030130322133
520112311000
61553320051
7332230444
oct114347237
941635534
1020041375
1110349422
126866027
1341c9203
1429399cb
151b5d2ba
hex131ce9f

20041375 has 16 divisors (see below), whose sum is σ = 25395552. Its totient is φ = 15787200.

The previous prime is 20041369. The next prime is 20041379. The reversal of 20041375 is 57314002.

Adding to 20041375 its reverse (57314002), we get a palindrome (77355377).

It is not a de Polignac number, because 20041375 - 213 = 20033183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7179 + ... + 9571.

It is an arithmetic number, because the mean of its divisors is an integer number (1587222).

Almost surely, 220041375 is an apocalyptic number.

20041375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20041375 is a deficient number, since it is larger than the sum of its proper divisors (5354177).

20041375 is an equidigital number, since it uses as much as digits as its factorization.

20041375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2465 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20041375 is about 4476.7594306596. The cubic root of 20041375 is about 271.6288144451.

The spelling of 20041375 in words is "twenty million, forty-one thousand, three hundred seventy-five".

Divisors: 1 5 25 67 125 335 1675 2393 8375 11965 59825 160331 299125 801655 4008275 20041375