Search a number
-
+
29228886 = 2321623827
BaseRepresentation
bin110111101111…
…1111101010110
32000222222111100
41233133331112
524440311021
62522250530
7503304261
oct157377526
960888440
1029228886
1115554105
129956a46
136094ccb
143c4bcd8
152875626
hex1bdff56

29228886 has 12 divisors (see below), whose sum is σ = 63329292. Its totient is φ = 9742956.

The previous prime is 29228861. The next prime is 29228887. The reversal of 29228886 is 68882292.

29228886 is a `hidden beast` number, since 292 + 288 + 86 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29228887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 811896 + ... + 811931.

It is an arithmetic number, because the mean of its divisors is an integer number (5277441).

Almost surely, 229228886 is an apocalyptic number.

29228886 is an abundant number, since it is smaller than the sum of its proper divisors (34100406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29228886 is a wasteful number, since it uses less digits than its factorization.

29228886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623835 (or 1623832 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 29228886 is about 5406.3745708192. The cubic root of 29228886 is about 308.0378530528.

The spelling of 29228886 in words is "twenty-nine million, two hundred twenty-eight thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 9 18 1623827 3247654 4871481 9742962 14614443 29228886