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105543230 = 2513811871
BaseRepresentation
bin1100100101001…
…11011000111110
321100121011002112
412102213120332
5204004340410
614250054022
72421050132
oct622473076
9240534075
10105543230
1154638211
122b41a312
1318b34920
14100353c2
1593ec105
hex64a763e

105543230 has 16 divisors (see below), whose sum is σ = 204591744. Its totient is φ = 38969760.

The previous prime is 105543227. The next prime is 105543239. The reversal of 105543230 is 32345501.

It is a super-2 number, since 2×1055432302 = 22278746797665800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105543196 and 105543205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105543239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405806 + ... + 406065.

It is an arithmetic number, because the mean of its divisors is an integer number (12786984).

Almost surely, 2105543230 is an apocalyptic number.

105543230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105543230 is a deficient number, since it is larger than the sum of its proper divisors (99048514).

105543230 is a wasteful number, since it uses less digits than its factorization.

105543230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811891.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 105543230 is about 10273.4234800285. The cubic root of 105543230 is about 472.5815840387.

Adding to 105543230 its reverse (32345501), we get a palindrome (137888731).

The spelling of 105543230 in words is "one hundred five million, five hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 811871 1623742 4059355 8118710 10554323 21108646 52771615 105543230