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105307344 = 2433435669
BaseRepresentation
bin1100100011011…
…01110011010000
321100011011112000
412101231303100
5203424313334
614241034000
72416045332
oct621556320
9240134460
10105307344
1154496a6a
122b325900
1318a8144c
14ddb3452
1593a2299
hex646dcd0

105307344 has 80 divisors (see below), whose sum is σ = 309355200. Its totient is φ = 34280064.

The previous prime is 105307339. The next prime is 105307369. The reversal of 105307344 is 443703501.

105307344 is a `hidden beast` number, since 10 + 5 + 307 + 344 = 666.

It is a super-2 number, since 2×1053073442 = 22179273400668672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15742 + ... + 21410.

It is an arithmetic number, because the mean of its divisors is an integer number (3866940).

Almost surely, 2105307344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105307344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154677600).

105307344 is an abundant number, since it is smaller than the sum of its proper divisors (204047856).

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

105307344 is a wasteful number, since it uses less digits than its factorization.

105307344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729 (or 5717 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 105307344 is about 10261.9366593251. The cubic root of 105307344 is about 472.2292528001.

The spelling of 105307344 in words is "one hundred five million, three hundred seven thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 43 48 54 72 86 108 129 144 172 216 258 344 387 432 516 688 774 1032 1161 1548 2064 2322 3096 4644 5669 6192 9288 11338 17007 18576 22676 34014 45352 51021 68028 90704 102042 136056 153063 204084 243767 272112 306126 408168 487534 612252 731301 816336 975068 1224504 1462602 1950136 2193903 2449008 2925204 3900272 4387806 5850408 6581709 8775612 11700816 13163418 17551224 26326836 35102448 52653672 105307344