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5539681 = 76131291
BaseRepresentation
bin10101001000011101100001
3101102110000101
4111020131201
52404232211
6314422401
765041450
oct25103541
911373011
105539681
113144054
121a31a01
1311bc624
14a42b97
157465c1
hex548761

5539681 has 8 divisors (see below), whose sum is σ = 6346304. Its totient is φ = 4736880.

The previous prime is 5539673. The next prime is 5539727. The reversal of 5539681 is 1869355.

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 5539681 - 23 = 5539673 is a prime.

It is a super-4 number, since 4×55396814 (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5539681.

It is not an unprimeable number, because it can be changed into a prime (5539601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3646 + ... + 4936.

It is an arithmetic number, because the mean of its divisors is an integer number (793288).

Almost surely, 25539681 is an apocalyptic number.

It is an amenable number.

5539681 is a deficient number, since it is larger than the sum of its proper divisors (806623).

5539681 is a wasteful number, since it uses less digits than its factorization.

5539681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911.

The product of its digits is 32400, while the sum is 37.

The square root of 5539681 is about 2353.6526931559. The cubic root of 5539681 is about 176.9409082750.

The spelling of 5539681 in words is "five million, five hundred thirty-nine thousand, six hundred eighty-one".

Divisors: 1 7 613 1291 4291 9037 791383 5539681