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20382195 = 351358813
BaseRepresentation
bin100110111000…
…0000111110011
31102100112010010
41031300013303
520204212240
62004510003
7335150211
oct115600763
942315103
1020382195
1110561499
1269ab303
1342b8392
1429c7cb1
151bc9280
hex13701f3

20382195 has 8 divisors (see below), whose sum is σ = 32611536. Its totient is φ = 10870496.

The previous prime is 20382191. The next prime is 20382217. The reversal of 20382195 is 59128302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20382195 - 22 = 20382191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20382191) 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 7 ways as a sum of consecutive naturals, for example, 679392 + ... + 679421.

It is an arithmetic number, because the mean of its divisors is an integer number (4076442).

Almost surely, 220382195 is an apocalyptic number.

20382195 is a deficient number, since it is larger than the sum of its proper divisors (12229341).

20382195 is a wasteful number, since it uses less digits than its factorization.

20382195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358821.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 20382195 is about 4514.6644393576. The cubic root of 20382195 is about 273.1599245452.

The spelling of 20382195 in words is "twenty million, three hundred eighty-two thousand, one hundred ninety-five".

Divisors: 1 3 5 15 1358813 4076439 6794065 20382195