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29018136 = 2337533259
BaseRepresentation
bin110111010110…
…0100000011000
32000121021101210
41232230200120
524412040021
62513543120
7501435660
oct156544030
960537353
1029018136
111541a834
129874aa0
1360200c4
143bd51a0
152832e76
hex1bac818

29018136 has 64 divisors (see below), whose sum is σ = 84499200. Its totient is φ = 8131968.

The previous prime is 29018131. The next prime is 29018159. The reversal of 29018136 is 63181092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29018131) 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 15 ways as a sum of consecutive naturals, for example, 7275 + ... + 10533.

It is an arithmetic number, because the mean of its divisors is an integer number (1320300).

Almost surely, 229018136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29018136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42249600).

29018136 is an abundant number, since it is smaller than the sum of its proper divisors (55481064).

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

29018136 is a wasteful number, since it uses less digits than its factorization.

29018136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 29018136 is about 5386.8484292766. The cubic root of 29018136 is about 307.2957146682.

The spelling of 29018136 in words is "twenty-nine million, eighteen thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 53 56 84 106 159 168 212 318 371 424 636 742 1113 1272 1484 2226 2968 3259 4452 6518 8904 9777 13036 19554 22813 26072 39108 45626 68439 78216 91252 136878 172727 182504 273756 345454 518181 547512 690908 1036362 1209089 1381816 2072724 2418178 3627267 4145448 4836356 7254534 9672712 14509068 29018136