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5171881 = 111359613
BaseRepresentation
bin10011101110101010101001
3100201202111011
4103232222221
52311000011
6302503521
761650241
oct23565251
910652434
105171881
112a12790
121894ba1
1310c10b0
14988b21
156c2621
hex4eeaa9

5171881 has 16 divisors (see below), whose sum is σ = 6189120. Its totient is φ = 4259520.

The previous prime is 5171843. The next prime is 5171891. The reversal of 5171881 is 1881715.

It is a cyclic number.

It is not a de Polignac number, because 5171881 - 27 = 5171753 is a prime.

It is a super-2 number, since 2×51718812 = 53496706156322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5171801) 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 15 ways as a sum of consecutive naturals, for example, 8131 + ... + 8743.

It is an arithmetic number, because the mean of its divisors is an integer number (386820).

Almost surely, 25171881 is an apocalyptic number.

It is an amenable number.

5171881 is a deficient number, since it is larger than the sum of its proper divisors (1017239).

5171881 is a wasteful number, since it uses less digits than its factorization.

5171881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its digits is 2240, while the sum is 31.

The square root of 5171881 is about 2274.1769939915. The cubic root of 5171881 is about 172.9349772903.

The spelling of 5171881 in words is "five million, one hundred seventy-one thousand, eight hundred eighty-one".

Divisors: 1 11 13 59 143 613 649 767 6743 7969 8437 36167 87659 397837 470171 5171881