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29126868 = 2232427239
BaseRepresentation
bin110111100011…
…1000011010100
32000210210112220
41233013003110
524424024433
62520142340
7502400661
oct157070324
960723486
1029126868
11154944a1
1299079b0
13605a744
143c22a68
1528552b3
hex1bc70d4

29126868 has 12 divisors (see below), whose sum is σ = 67962720. Its totient is φ = 9708952.

The previous prime is 29126863. The next prime is 29126891. The reversal of 29126868 is 86862192.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29126863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213608 + ... + 1213631.

It is an arithmetic number, because the mean of its divisors is an integer number (5663560).

Almost surely, 229126868 is an apocalyptic number.

It is an amenable number.

29126868 is an abundant number, since it is smaller than the sum of its proper divisors (38835852).

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

29126868 is a wasteful number, since it uses less digits than its factorization.

29126868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427246 (or 2427244 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 29126868 is about 5396.9313503138. The cubic root of 29126868 is about 307.6790523072.

The spelling of 29126868 in words is "twenty-nine million, one hundred twenty-six thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 2427239 4854478 7281717 9708956 14563434 29126868