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5871989 = 31307617
BaseRepresentation
bin10110011001100101110101
3102001022212002
4112121211311
53000400424
6325505045
7100624334
oct26314565
912038762
105871989
113350792
121b72185
1312a7966
14acbd1b
157aecae
hex599975

5871989 has 8 divisors (see below), whose sum is σ = 6091008. Its totient is φ = 5654880.

The previous prime is 5871973. The next prime is 5872003. The reversal of 5871989 is 9891785.

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 5871989 - 24 = 5871973 is a prime.

It is a super-2 number, since 2×58719892 = 68960509632242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5871959) 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, 9209 + ... + 9825.

It is an arithmetic number, because the mean of its divisors is an integer number (761376).

Almost surely, 25871989 is an apocalyptic number.

It is an amenable number.

5871989 is a deficient number, since it is larger than the sum of its proper divisors (219019).

5871989 is a wasteful number, since it uses less digits than its factorization.

5871989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955.

The product of its digits is 181440, while the sum is 47.

The square root of 5871989 is about 2423.2187272304. The cubic root of 5871989 is about 180.4104727099.

The spelling of 5871989 in words is "five million, eight hundred seventy-one thousand, nine hundred eighty-nine".

Divisors: 1 31 307 617 9517 19127 189419 5871989