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107730720 = 2532579947
BaseRepresentation
bin1100110101111…
…01011100100000
321111201021202200
412122331130200
5210034340340
614405013200
72445460506
oct632753440
9244637680
10107730720
11558a1759
12300b4200
131941c4b6
1410444676
1596d0330
hex66bd720

107730720 has 144 divisors (see below), whose sum is σ = 372677760. Its totient is φ = 28334592.

The previous prime is 107730719. The next prime is 107730743. The reversal of 107730720 is 27037701.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113287 + ... + 114233.

It is an arithmetic number, because the mean of its divisors is an integer number (2588040).

Almost surely, 2107730720 is an apocalyptic number.

107730720 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 107730720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186338880).

107730720 is an abundant number, since it is smaller than the sum of its proper divisors (264947040).

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

107730720 is a wasteful number, since it uses less digits than its factorization.

107730720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 107730720 is about 10379.3410195445. The cubic root of 107730720 is about 475.8241941913.

The spelling of 107730720 in words is "one hundred seven million, seven hundred thirty thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 79 80 90 96 120 144 158 160 180 237 240 288 316 360 395 474 480 632 711 720 790 947 948 1185 1264 1422 1440 1580 1894 1896 2370 2528 2841 2844 3160 3555 3788 3792 4735 4740 5682 5688 6320 7110 7576 7584 8523 9470 9480 11364 11376 12640 14205 14220 15152 17046 18940 18960 22728 22752 28410 28440 30304 34092 37880 37920 42615 45456 56820 56880 68184 74813 75760 85230 90912 113640 113760 136368 149626 151520 170460 224439 227280 272736 299252 340920 374065 448878 454560 598504 673317 681840 748130 897756 1122195 1197008 1346634 1363680 1496260 1795512 2244390 2394016 2693268 2992520 3366585 3591024 4488780 5386536 5985040 6733170 7182048 8977560 10773072 11970080 13466340 17955120 21546144 26932680 35910240 53865360 107730720