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5271805 = 571113693
BaseRepresentation
bin10100000111000011111101
3100220211120001
4110013003331
52322144210
6304554301
762544460
oct24070375
910824501
105271805
112a80870
121922991
131127716
149b32d7
156e203a
hex5070fd

5271805 has 16 divisors (see below), whose sum is σ = 7887744. Its totient is φ = 3286080.

The previous prime is 5271793. The next prime is 5271811. The reversal of 5271805 is 5081725.

It is not a de Polignac number, because 5271805 - 27 = 5271677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6462 + ... + 7231.

It is an arithmetic number, because the mean of its divisors is an integer number (492984).

Almost surely, 25271805 is an apocalyptic number.

5271805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5271805 is a deficient number, since it is larger than the sum of its proper divisors (2615939).

5271805 is a wasteful number, since it uses less digits than its factorization.

5271805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13716.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 5271805 is about 2296.0411581677. The cubic root of 5271805 is about 174.0416181771.

It can be divided in two parts, 527 and 1805, that added together give a palindrome (2332).

The spelling of 5271805 in words is "five million, two hundred seventy-one thousand, eight hundred five".

Divisors: 1 5 7 11 35 55 77 385 13693 68465 95851 150623 479255 753115 1054361 5271805