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105223104 = 263378699
BaseRepresentation
bin1100100010110…
…01001111000000
321022222212222000
412101121033000
5203414114404
614235144000
72415244620
oct621311700
9238885860
10105223104
1154439748
122b2a5000
1318a51cbc
14dd90880
159387339
hex64593c0

105223104 has 112 divisors (see below), whose sum is σ = 353568000. Its totient is φ = 30060288.

The previous prime is 105223103. The next prime is 105223117. The reversal of 105223104 is 401322501.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1052231042 = 22143803230789632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105223103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7747 + ... + 16445.

Almost surely, 2105223104 is an apocalyptic number.

105223104 is a gapful number since it is divisible by the number (14) 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 105223104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176784000).

105223104 is an abundant number, since it is smaller than the sum of its proper divisors (248344896).

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

105223104 is an equidigital number, since it uses as much as digits as its factorization.

105223104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8727 (or 8711 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 105223104 is about 10257.8313497542. The cubic root of 105223104 is about 472.1033001904.

Adding to 105223104 its reverse (401322501), we get a palindrome (506545605).

The spelling of 105223104 in words is "one hundred five million, two hundred twenty-three thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 144 168 189 192 216 224 252 288 336 378 432 448 504 576 672 756 864 1008 1344 1512 1728 2016 3024 4032 6048 8699 12096 17398 26097 34796 52194 60893 69592 78291 104388 121786 139184 156582 182679 208776 234873 243572 278368 313164 365358 417552 469746 487144 548037 556736 626328 730716 835104 939492 974288 1096074 1252656 1461432 1644111 1670208 1878984 1948576 2192148 2505312 2922864 3288222 3757968 3897152 4384296 5010624 5845728 6576444 7515936 8768592 11691456 13152888 15031872 17537184 26305776 35074368 52611552 105223104