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104320580 = 22571331432
BaseRepresentation
bin1100011011111…
…00111001000100
321021022000221012
412031330321010
5203201224310
614203541352
72404465430
oct615747104
9237260835
10104320580
1153982661
122ab2a858
13187c7270
14dbd79c0
159259c05
hex637ce44

104320580 has 144 divisors (see below), whose sum is σ = 284949504. Its totient is φ = 31207680.

The previous prime is 104320561. The next prime is 104320607. The reversal of 104320580 is 85023401.

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, 2426039 + ... + 2426081.

It is an arithmetic number, because the mean of its divisors is an integer number (1978816).

Almost surely, 2104320580 is an apocalyptic number.

104320580 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 104320580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142474752).

104320580 is an abundant number, since it is smaller than the sum of its proper divisors (180628924).

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

104320580 is a wasteful number, since it uses less digits than its factorization.

104320580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 104320580 is about 10213.7446609948. The cubic root of 104320580 is about 470.7496411837.

Adding to 104320580 its reverse (85023401), we get a palindrome (189343981).

The spelling of 104320580 in words is "one hundred four million, three hundred twenty thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 31 35 43 52 62 65 70 86 91 124 130 140 155 172 182 215 217 260 301 310 364 403 430 434 455 559 602 620 806 860 868 910 1085 1118 1204 1333 1505 1612 1820 1849 2015 2170 2236 2666 2795 2821 3010 3698 3913 4030 4340 5332 5590 5642 6020 6665 7396 7826 8060 9245 9331 11180 11284 12943 13330 14105 15652 17329 18490 18662 19565 24037 25886 26660 28210 34658 36980 37324 39130 46655 48074 51772 56420 57319 64715 69316 78260 86645 93310 96148 114638 120185 121303 129430 168259 173290 186620 229276 240370 242606 258860 286595 336518 346580 401233 480740 485212 573190 606515 673036 745147 802466 841295 1146380 1213030 1490294 1604932 1682590 2006165 2426060 2980588 3365180 3725735 4012330 5216029 7451470 8024660 10432058 14902940 20864116 26080145 52160290 104320580