Search a number
-
+
29388668 = 2219386693
BaseRepresentation
bin111000000011…
…0111101111100
32001022002200012
41300012331330
530010414133
62525522352
7504541151
oct160067574
961262605
1029388668
1115653161
129a133b8
13611c95a
143c90228
1528a7b48
hex1c06f7c

29388668 has 12 divisors (see below), whose sum is σ = 54137160. Its totient is φ = 13920912.

The previous prime is 29388647. The next prime is 29388691. The reversal of 29388668 is 86688392.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193271 + ... + 193422.

It is an arithmetic number, because the mean of its divisors is an integer number (4511430).

Almost surely, 229388668 is an apocalyptic number.

It is an amenable number.

29388668 is a deficient number, since it is larger than the sum of its proper divisors (24748492).

29388668 is a wasteful number, since it uses less digits than its factorization.

29388668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386716 (or 386714 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 29388668 is about 5421.1316161849. The cubic root of 29388668 is about 308.5981377119.

The spelling of 29388668 in words is "twenty-nine million, three hundred eighty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 4 19 38 76 386693 773386 1546772 7347167 14694334 29388668