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29530800 = 24325213631
BaseRepresentation
bin111000010100…
…1101010110000
32001120022122100
41300221222300
530024441200
62532540400
7506002425
oct160515260
961508570
1029530800
111573aa22
129a81700
13616c560
143cc9d4c
1528d4d00
hex1c29ab0

29530800 has 180 divisors, whose sum is σ = 110538064. Its totient is φ = 7257600.

The previous prime is 29530799. The next prime is 29530849. The reversal of 29530800 is 803592.

It is a tau number, because it is divible by the number of its divisors (180).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 46485 + ... + 47115.

Almost surely, 229530800 is an apocalyptic number.

29530800 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 29530800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55269032).

29530800 is an abundant number, since it is smaller than the sum of its proper divisors (81007264).

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

29530800 is a wasteful number, since it uses less digits than its factorization.

29530800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 29530800 is about 5434.2248757297. The cubic root of 29530800 is about 309.0948274642.

The spelling of 29530800 in words is "twenty-nine million, five hundred thirty thousand, eight hundred".