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105193960 = 23517372113
BaseRepresentation
bin1100100010100…
…10000111101000
321022221101222121
412101102013220
5203412201320
614234401024
72415063634
oct621220750
9238841877
10105193960
1154419863
122b290174
1318a41961
14dd83dc4
15937d8aa
hex64521e8

105193960 has 96 divisors (see below), whose sum is σ = 259844760. Its totient is φ = 38191104.

The previous prime is 105193939. The next prime is 105193969. The reversal of 105193960 is 69391501.

It can be written as a sum of positive squares in 12 ways, for example, as 33385284 + 71808676 = 5778^2 + 8474^2 .

It is a super-2 number, since 2×1051939602 = 22131538440963200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (105193969) 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 23 ways as a sum of consecutive naturals, for example, 930864 + ... + 930976.

Almost surely, 2105193960 is an apocalyptic number.

105193960 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 105193960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129922380).

105193960 is an abundant number, since it is smaller than the sum of its proper divisors (154650800).

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

105193960 is a wasteful number, since it uses less digits than its factorization.

105193960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 105193960 is about 10256.4106782051. The cubic root of 105193960 is about 472.0597094816.

The spelling of 105193960 in words is "one hundred five million, one hundred ninety-three thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 17 20 34 37 40 68 74 85 113 136 148 170 185 226 296 340 370 452 565 629 680 740 904 1130 1258 1369 1480 1921 2260 2516 2738 3145 3842 4181 4520 5032 5476 6290 6845 7684 8362 9605 10952 12580 13690 15368 16724 19210 20905 23273 25160 27380 33448 38420 41810 46546 54760 71077 76840 83620 93092 116365 142154 154697 167240 186184 232730 284308 309394 355385 465460 568616 618788 710770 773485 930920 1237576 1421540 1546970 2629849 2843080 3093940 5259698 6187880 10519396 13149245 21038792 26298490 52596980 105193960