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412287720 = 2335131272081
BaseRepresentation
bin11000100100110…
…000001011101000
31001201210101102120
4120210300023220
51321021201340
6104524431240
713134250005
oct3044601350
91051711376
10412287720
111a17a8959
12b60a8520
1367554540
143ca828ac
15262de4d0
hex189302e8

412287720 has 128 divisors (see below), whose sum is σ = 1343139840. Its totient is φ = 100638720.

The previous prime is 412287709. The next prime is 412287767. The reversal of 412287720 is 27782214.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 197080 + ... + 199160.

It is an arithmetic number, because the mean of its divisors is an integer number (10493280).

Almost surely, 2412287720 is an apocalyptic number.

412287720 is a gapful number since it is divisible by the number (40) 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 412287720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671569920).

412287720 is an abundant number, since it is smaller than the sum of its proper divisors (930852120).

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

412287720 is a wasteful number, since it uses less digits than its factorization.

412287720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235 (or 2231 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 412287720 is about 20304.8693667307. The cubic root of 412287720 is about 744.2750601649.

The spelling of 412287720 in words is "four hundred twelve million, two hundred eighty-seven thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 127 130 156 195 254 260 312 381 390 508 520 635 762 780 1016 1270 1524 1560 1651 1905 2081 2540 3048 3302 3810 4162 4953 5080 6243 6604 7620 8255 8324 9906 10405 12486 13208 15240 16510 16648 19812 20810 24765 24972 27053 31215 33020 39624 41620 49530 49944 54106 62430 66040 81159 83240 99060 108212 124860 135265 162318 198120 216424 249720 264287 270530 324636 405795 528574 541060 649272 792861 811590 1057148 1082120 1321435 1585722 1623180 2114296 2642870 3171444 3246360 3435731 3964305 5285740 6342888 6871462 7928610 10307193 10571480 13742924 15857220 17178655 20614386 27485848 31714440 34357310 41228772 51535965 68714620 82457544 103071930 137429240 206143860 412287720