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104220648 = 23337243229
BaseRepresentation
bin1100011011001…
…00011111101000
321021002221212000
412031210133220
5203140030043
614201451000
72403601200
oct615443750
9237087760
10104220648
1153914574
122aaa0a60
131879092c
14dbad400
15923a2d3
hex63647e8

104220648 has 192 divisors, whose sum is σ = 346104000. Its totient is φ = 28957824.

The previous prime is 104220629. The next prime is 104220679. The reversal of 104220648 is 846022401.

104220648 is a `hidden beast` number, since 10 + 4 + 2 + 2 + 0 + 648 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 454998 + ... + 455226.

It is an arithmetic number, because the mean of its divisors is an integer number (1802625).

Almost surely, 2104220648 is an apocalyptic number.

104220648 is a gapful number since it is divisible by the number (18) 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 104220648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173052000).

104220648 is an abundant number, since it is smaller than the sum of its proper divisors (241883352).

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

104220648 is a wasteful number, since it uses less digits than its factorization.

104220648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 104220648 is about 10208.8514535182. The cubic root of 104220648 is about 470.5992778120.

The spelling of 104220648 in words is "one hundred four million, two hundred twenty thousand, six hundred forty-eight".