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20054271 = 3172711451
BaseRepresentation
bin100110010000…
…0000011111111
31101201212021210
41030200003333
520113214041
61553455503
7332313156
oct114400377
941655253
1020054271
1110358086
126871593
134202043
14294059d
151b62016
hex13200ff

20054271 has 16 divisors (see below), whose sum is σ = 28435968. Its totient is φ = 12528000.

The previous prime is 20054269. The next prime is 20054273. The reversal of 20054271 is 17245002.

It is an interprime number because it is at equal distance from previous prime (20054269) and next prime (20054273).

It is not a de Polignac number, because 20054271 - 21 = 20054269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054273) 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, 13096 + ... + 14546.

It is an arithmetic number, because the mean of its divisors is an integer number (1777248).

Almost surely, 220054271 is an apocalyptic number.

20054271 is a deficient number, since it is larger than the sum of its proper divisors (8381697).

20054271 is a wasteful number, since it uses less digits than its factorization.

20054271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 20054271 is about 4478.1995265955. The cubic root of 20054271 is about 271.6870635109.

Adding to 20054271 its reverse (17245002), we get a palindrome (37299273).

The spelling of 20054271 in words is "twenty million, fifty-four thousand, two hundred seventy-one".

Divisors: 1 3 17 51 271 813 1451 4353 4607 13821 24667 74001 393221 1179663 6684757 20054271