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104438400 = 27352112343
BaseRepresentation
bin1100011100110…
…01101010000000
321021112000112220
412032121222000
5203214012100
614210251040
72405466063
oct616315200
9237460486
10104438400
1153a53130
122ab86a80
1318838a91
14dc288da
15927eaa0
hex6399a80

104438400 has 384 divisors, whose sum is σ = 400688640. Its totient is φ = 23654400.

The previous prime is 104438381. The next prime is 104438401. The reversal of 104438400 is 4834401.

It is a tau number, because it is divible by the number of its divisors (384).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (104438401) 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 47 ways as a sum of consecutive naturals, for example, 2428779 + ... + 2428821.

It is an arithmetic number, because the mean of its divisors is an integer number (1043460).

Almost surely, 2104438400 is an apocalyptic number.

104438400 is a gapful number since it is divisible by the number (10) 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 104438400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200344320).

104438400 is an abundant number, since it is smaller than the sum of its proper divisors (296250240).

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

104438400 is a wasteful number, since it uses less digits than its factorization.

104438400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 104438400 is about 10219.5107514988. The cubic root of 104438400 is about 470.9267965622.

The spelling of 104438400 in words is "one hundred four million, four hundred thirty-eight thousand, four hundred".