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29228788 = 2271910163
BaseRepresentation
bin110111101111…
…1111011110100
32000222222100201
41233133323310
524440310123
62522250244
7503304061
oct157377364
960888321
1029228788
1115554026
129956984
136094c54
143c4bc68
1528755ad
hex1bdfef4

29228788 has 12 divisors (see below), whose sum is σ = 51226560. Its totient is φ = 14592632.

The previous prime is 29228761. The next prime is 29228789. The reversal of 29228788 is 88782292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29228789) 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 3 ways as a sum of consecutive naturals, for example, 2206 + ... + 7957.

It is an arithmetic number, because the mean of its divisors is an integer number (4268880).

Almost surely, 229228788 is an apocalyptic number.

It is an amenable number.

29228788 is a deficient number, since it is larger than the sum of its proper divisors (21997772).

29228788 is a wasteful number, since it uses less digits than its factorization.

29228788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10886 (or 10884 counting only the distinct ones).

The product of its digits is 258048, while the sum is 46.

The square root of 29228788 is about 5406.3655074366. The cubic root of 29228788 is about 308.0375087844.

The spelling of 29228788 in words is "twenty-nine million, two hundred twenty-eight thousand, seven hundred eighty-eight".

Divisors: 1 2 4 719 1438 2876 10163 20326 40652 7307197 14614394 29228788