Search a number
-
+
5686690 = 25568669
BaseRepresentation
bin10101101100010110100010
3101200220200011
4111230112202
52423433230
6321515134
766223162
oct25542642
911626604
105686690
113234549
121aa2aaa
131241509
14a805a2
15774e2a
hex56c5a2

5686690 has 8 divisors (see below), whose sum is σ = 10236060. Its totient is φ = 2274672.

The previous prime is 5686673. The next prime is 5686691. The reversal of 5686690 is 966865.

It can be written as a sum of positive squares in 2 ways, for example, as 5612161 + 74529 = 2369^2 + 273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56866902 = 64676886312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5686691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284325 + ... + 284344.

Almost surely, 25686690 is an apocalyptic number.

5686690 is a deficient number, since it is larger than the sum of its proper divisors (4549370).

5686690 is a wasteful number, since it uses less digits than its factorization.

5686690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568676.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 5686690 is about 2384.6781753520. The cubic root of 5686690 is about 178.4924502557.

The spelling of 5686690 in words is "five million, six hundred eighty-six thousand, six hundred ninety".

Divisors: 1 2 5 10 568669 1137338 2843345 5686690