Search a number
-
+
3689690 = 25675507
BaseRepresentation
bin1110000100110011011010
320221110022012
432010303122
51421032230
6211025522
743235054
oct16046332
96843265
103689690
1120a0134
12129b2a2
139c2564
146c08d4
154cd395
hex384cda

3689690 has 16 divisors (see below), whose sum is σ = 6741792. Its totient is φ = 1453584.

The previous prime is 3689689. The next prime is 3689711. The reversal of 3689690 is 969863.

3689690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×36896902 = 27227624592200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2084 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (421362).

Almost surely, 23689690 is an apocalyptic number.

3689690 is a deficient number, since it is larger than the sum of its proper divisors (3052102).

3689690 is a wasteful number, since it uses less digits than its factorization.

3689690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 3689690 is about 1920.8565797581. The cubic root of 3689690 is about 154.5242436026.

The spelling of 3689690 in words is "three million, six hundred eighty-nine thousand, six hundred ninety".

Divisors: 1 2 5 10 67 134 335 670 5507 11014 27535 55070 368969 737938 1844845 3689690