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20300271 = 36766757
BaseRepresentation
bin100110101110…
…0000111101111
31102012100201220
41031130013233
520144102041
62003034423
7334356315
oct115340757
942170656
1020300271
1110505992
12696ba13
134289cc4
1429a60b5
151baed66
hex135c1ef

20300271 has 4 divisors (see below), whose sum is σ = 27067032. Its totient is φ = 13533512.

The previous prime is 20300243. The next prime is 20300279. The reversal of 20300271 is 17200302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20300271 - 25 = 20300239 is a prime.

20300271 is a modest number, since divided by 271 gives 203 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 20300271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300279) 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, 3383376 + ... + 3383381.

It is an arithmetic number, because the mean of its divisors is an integer number (6766758).

Almost surely, 220300271 is an apocalyptic number.

20300271 is a deficient number, since it is larger than the sum of its proper divisors (6766761).

20300271 is an equidigital number, since it uses as much as digits as its factorization.

20300271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766760.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20300271 is about 4505.5822043328. The cubic root of 20300271 is about 272.7934543124.

Adding to 20300271 its reverse (17200302), we get a palindrome (37500573).

The spelling of 20300271 in words is "twenty million, three hundred thousand, two hundred seventy-one".

Divisors: 1 3 6766757 20300271