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107681280 = 293572003
BaseRepresentation
bin1100110101100…
…01011000000000
321111121202221120
412122301120000
5210031300110
614403552240
72445163410
oct632613000
9244552846
10107681280
11558685a3
123008b680
1319402b45
1410430640
1596c0870
hex66b1600

107681280 has 160 divisors (see below), whose sum is σ = 393617664. Its totient is φ = 24600576.

The previous prime is 107681243. The next prime is 107681317. The reversal of 107681280 is 82186701.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (107681243) and next prime (107681317).

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52759 + ... + 54761.

Almost surely, 2107681280 is an apocalyptic number.

107681280 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 107681280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196808832).

107681280 is an abundant number, since it is smaller than the sum of its proper divisors (285936384).

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

107681280 is an equidigital number, since it uses as much as digits as its factorization.

107681280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 107681280 is about 10376.9590921426. The cubic root of 107681280 is about 475.7513943197.

The spelling of 107681280 in words is "one hundred seven million, six hundred eighty-one thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 256 280 320 336 384 420 448 480 512 560 640 672 768 840 896 960 1120 1280 1344 1536 1680 1792 1920 2003 2240 2560 2688 3360 3584 3840 4006 4480 5376 6009 6720 7680 8012 8960 10015 10752 12018 13440 14021 16024 17920 20030 24036 26880 28042 30045 32048 40060 42063 48072 53760 56084 60090 64096 70105 80120 84126 96144 112168 120180 128192 140210 160240 168252 192288 210315 224336 240360 256384 280420 320480 336504 384576 420630 448672 480720 512768 560840 640960 673008 769152 841260 897344 961440 1025536 1121680 1281920 1346016 1538304 1682520 1794688 1922880 2243360 2563840 2692032 3076608 3365040 3589376 3845760 4486720 5127680 5384064 6730080 7178752 7691520 8973440 10768128 13460160 15383040 17946880 21536256 26920320 35893760 53840640 107681280