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29543040 = 2732523223
BaseRepresentation
bin111000010110…
…0101010000000
32001120221102200
41300230222000
530030334130
62533113200
7506053212
oct160545200
961527380
1029543040
111574913a
129a88800
136174cb7
143cd05b2
1528d8760
hex1c2ca80

29543040 has 192 divisors, whose sum is σ = 106928640. Its totient is φ = 7501824.

The previous prime is 29543039. The next prime is 29543051. The reversal of 29543040 is 4034592.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 29542995 and 29543013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132369 + ... + 132591.

It is an arithmetic number, because the mean of its divisors is an integer number (556920).

Almost surely, 229543040 is an apocalyptic number.

29543040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53464320).

29543040 is an abundant number, since it is smaller than the sum of its proper divisors (77385600).

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

29543040 is a wasteful number, since it uses less digits than its factorization.

29543040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 29543040 is about 5435.3509546303. The cubic root of 29543040 is about 309.1375263650.

The spelling of 29543040 in words is "twenty-nine million, five hundred forty-three thousand, forty".