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105117480 = 23335137487
BaseRepresentation
bin1100100001111…
…11011100101000
321022210112002000
412100333130220
5203402224410
614233011000
72414324646
oct620773450
9238715060
10105117480
1154377356
122b253a60
1318a15bc0
14dd64196
159365dc0
hex643f728

105117480 has 128 divisors (see below), whose sum is σ = 377395200. Its totient is φ = 25871616.

The previous prime is 105117469. The next prime is 105117491. The reversal of 105117480 is 84711501.

105117480 is a `hidden beast` number, since 1 + 0 + 511 + 74 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (105117469) and next prime (105117491).

It is a super-2 number, since 2×1051174802 = 22099369203100800, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 10297 + ... + 17783.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2105117480 is an apocalyptic number.

105117480 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 105117480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188697600).

105117480 is an abundant number, since it is smaller than the sum of its proper divisors (272277720).

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

105117480 is a wasteful number, since it uses less digits than its factorization.

105117480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7520 (or 7510 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 105117480 is about 10252.6816004400. The cubic root of 105117480 is about 471.9452799726.

Adding to 105117480 its reverse (84711501), we get a palindrome (189828981).

The spelling of 105117480 in words is "one hundred five million, one hundred seventeen thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 90 104 108 117 120 130 135 156 180 195 216 234 260 270 312 351 360 390 468 520 540 585 702 780 936 1080 1170 1404 1560 1755 2340 2808 3510 4680 7020 7487 14040 14974 22461 29948 37435 44922 59896 67383 74870 89844 97331 112305 134766 149740 179688 194662 202149 224610 269532 291993 299480 336915 389324 404298 449220 486655 539064 583986 673830 778648 808596 875979 898440 973310 1010745 1167972 1347660 1459965 1617192 1751958 1946620 2021490 2335944 2627937 2695320 2919930 3503916 3893240 4042980 4379895 5255874 5839860 7007832 8085960 8759790 10511748 11679720 13139685 17519580 21023496 26279370 35039160 52558740 105117480