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104218660 = 225713173331
BaseRepresentation
bin1100011011001…
…00000000100100
321021002212010101
412031210000210
5203134444120
614201433444
72403562330
oct615440044
9237085111
10104218660
1153913027
122aa9b884
131878ca60
14dbac7c0
15923990a
hex6364024

104218660 has 96 divisors (see below), whose sum is σ = 271740672. Its totient is φ = 32693760.

The previous prime is 104218637. The next prime is 104218691. The reversal of 104218660 is 66812401.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314695 + ... + 315025.

It is an arithmetic number, because the mean of its divisors is an integer number (2830632).

Almost surely, 2104218660 is an apocalyptic number.

104218660 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 104218660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135870336).

104218660 is an abundant number, since it is smaller than the sum of its proper divisors (167522012).

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

104218660 is a wasteful number, since it uses less digits than its factorization.

104218660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 104218660 is about 10208.7540865671. The cubic root of 104218660 is about 470.5962855792.

The spelling of 104218660 in words is "one hundred four million, two hundred eighteen thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 173 182 260 331 346 364 455 662 692 865 910 1211 1324 1655 1730 1820 2249 2317 2422 3310 3460 4303 4498 4634 4844 6055 6620 8606 8996 9268 11245 11585 12110 15743 17212 21515 22490 23170 24220 30121 31486 43030 44980 46340 57263 60242 62972 78715 86060 114526 120484 150605 157430 229052 286315 301210 314860 400841 572630 602420 744419 801682 1145260 1488838 1603364 2004205 2977676 3722095 4008410 5210933 7444190 8016820 10421866 14888380 20843732 26054665 52109330 104218660