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105682680 = 233251631801
BaseRepresentation
bin1100100110010…
…01011011111000
321100212020101100
412103021123320
5204023321210
614253051400
72422200525
oct623113370
9240766340
10105682680
1154722a64
122b486b60
1318b8323c
141007014c
1594285c0
hex64c96f8

105682680 has 96 divisors (see below), whose sum is σ = 345767760. Its totient is φ = 27993600.

The previous prime is 105682657. The next prime is 105682697. The reversal of 105682680 is 86286501.

It is a happy number.

105682680 is a `hidden beast` number, since 10 + 568 + 2 + 6 + 80 = 666.

It is a super-2 number, since 2×1056826802 = 22337657703964800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 57780 + ... + 59580.

Almost surely, 2105682680 is an apocalyptic number.

105682680 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 105682680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172883880).

105682680 is an abundant number, since it is smaller than the sum of its proper divisors (240085080).

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

105682680 is a wasteful number, since it uses less digits than its factorization.

105682680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 105682680 is about 10280.2081690985. The cubic root of 105682680 is about 472.7896267490.

The spelling of 105682680 in words is "one hundred five million, six hundred eighty-two thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 163 180 326 360 489 652 815 978 1304 1467 1630 1801 1956 2445 2934 3260 3602 3912 4890 5403 5868 6520 7204 7335 9005 9780 10806 11736 14408 14670 16209 18010 19560 21612 27015 29340 32418 36020 43224 54030 58680 64836 72040 81045 108060 129672 162090 216120 293563 324180 587126 648360 880689 1174252 1467815 1761378 2348504 2642067 2935630 3522756 4403445 5284134 5871260 7045512 8806890 10568268 11742520 13210335 17613780 21136536 26420670 35227560 52841340 105682680