Search a number
-
+
29489188 = 228298893
BaseRepresentation
bin111000001111…
…1100000100100
32001111012120011
41300133200210
530022123223
62532020004
7505440211
oct160374044
961435504
1029489188
1115711733
129a61604
136156631
143cb8b08
1528c780d
hex1c1f824

29489188 has 12 divisors (see below), whose sum is σ = 51674140. Its totient is φ = 14725152.

The previous prime is 29489183. The next prime is 29489189. The reversal of 29489188 is 88198492.

It can be written as a sum of positive squares in 2 ways, for example, as 9935104 + 19554084 = 3152^2 + 4422^2 .

It is a super-2 number, since 2×294891882 = 1739224417798688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (29489183) 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, 1131 + ... + 7762.

Almost surely, 229489188 is an apocalyptic number.

It is an amenable number.

29489188 is a deficient number, since it is larger than the sum of its proper divisors (22184952).

29489188 is a wasteful number, since it uses less digits than its factorization.

29489188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9726 (or 9724 counting only the distinct ones).

The product of its digits is 331776, while the sum is 49.

The square root of 29489188 is about 5430.3948291077. The cubic root of 29489188 is about 308.9495768556.

The spelling of 29489188 in words is "twenty-nine million, four hundred eighty-nine thousand, one hundred eighty-eight".

Divisors: 1 2 4 829 1658 3316 8893 17786 35572 7372297 14744594 29489188