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29704320 = 27355191
BaseRepresentation
bin111000101010…
…0000010000000
32001220010200000
41301110002000
530101014240
62540400000
7510324342
oct161240200
961803600
1029704320
1115849328
129b46000
136200529
143d33292
15291b430
hex1c54080

29704320 has 192 divisors, whose sum is σ = 106928640. Its totient is φ = 7879680.

The previous prime is 29704319. The next prime is 29704349. The reversal of 29704320 is 2340792.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155425 + ... + 155615.

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

Almost surely, 229704320 is an apocalyptic number.

29704320 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 29704320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53464320).

29704320 is an abundant number, since it is smaller than the sum of its proper divisors (77224320).

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

29704320 is an equidigital number, since it uses as much as digits as its factorization.

29704320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 29704320 is about 5450.1669699194. The cubic root of 29704320 is about 309.6990488925.

The spelling of 29704320 in words is "twenty-nine million, seven hundred four thousand, three hundred twenty".