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107868960 = 25325173433
BaseRepresentation
bin1100110110111…
…11001100100000
321111222022101200
412123133030200
5210103301320
614412001200
72446604523
oct633371440
9244868350
10107868960
1155986601
1230160200
131946a3b4
141047cbba
15970b290
hex66df320

107868960 has 144 divisors (see below), whose sum is σ = 371085624. Its totient is φ = 28532736.

The previous prime is 107868911. The next prime is 107868967. The reversal of 107868960 is 69868701.

107868960 = T1 + T2 + ... + T864.

It is a happy number.

107868960 is a nontrivial binomial coefficient, being equal to C(866, 3).

It can be written as a sum of positive squares in 4 ways, for example, as 87834384 + 20034576 = 9372^2 + 4476^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107868967) by changing a digit.

It is the 864-th tetrahedral number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248904 + ... + 249336.

Almost surely, 2107868960 is an apocalyptic number.

107868960 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 107868960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185542812).

107868960 is an abundant number, since it is smaller than the sum of its proper divisors (263216664).

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

107868960 is a wasteful number, since it uses less digits than its factorization.

107868960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 107868960 is about 10385.9982668976. The cubic root of 107868960 is about 476.0276329791.

The spelling of 107868960 in words is "one hundred seven million, eight hundred sixty-eight thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 173 180 240 288 346 360 433 480 519 692 720 865 866 1038 1299 1384 1440 1557 1730 1732 2076 2165 2595 2598 2768 3114 3460 3464 3897 4152 4330 5190 5196 5536 6228 6495 6920 6928 7785 7794 8304 8660 10380 10392 12456 12990 13840 13856 15570 15588 16608 17320 19485 20760 20784 24912 25980 27680 31140 31176 34640 38970 41520 41568 49824 51960 62280 62352 69280 74909 77940 83040 103920 124560 124704 149818 155880 207840 224727 249120 299636 311760 374545 449454 599272 623520 674181 749090 898908 1123635 1198544 1348362 1498180 1797816 2247270 2397088 2696724 2996360 3370905 3595632 4494540 5393448 5992720 6741810 7191264 8989080 10786896 11985440 13483620 17978160 21573792 26967240 35956320 53934480 107868960