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105610020 = 223523103743
BaseRepresentation
bin1100100101101…
…11101100100100
321100201112201020
412102313230210
5204014010040
614251331140
72421445635
oct622675444
9240645636
10105610020
115468340a
122b450ab0
1318b59149
141005188c
159411cd0
hex64b7b24

105610020 has 96 divisors (see below), whose sum is σ = 311980032. Its totient is φ = 26640768.

The previous prime is 105610019. The next prime is 105610031. The reversal of 105610020 is 20016501.

It is a super-2 number, since 2×1056100202 = 22306952648800800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141769 + ... + 142511.

It is an arithmetic number, because the mean of its divisors is an integer number (3249792).

Almost surely, 2105610020 is an apocalyptic number.

105610020 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 105610020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155990016).

105610020 is an abundant number, since it is smaller than the sum of its proper divisors (206370012).

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

105610020 is a wasteful number, since it uses less digits than its factorization.

105610020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 105610020 is about 10276.6735863313. The cubic root of 105610020 is about 472.6812495763.

Adding to 105610020 its reverse (20016501), we get a palindrome (125626521).

The spelling of 105610020 in words is "one hundred five million, six hundred ten thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 103 115 138 206 230 276 309 345 412 460 515 618 690 743 1030 1236 1380 1486 1545 2060 2229 2369 2972 3090 3715 4458 4738 6180 7107 7430 8916 9476 11145 11845 14214 14860 17089 22290 23690 28428 34178 35535 44580 47380 51267 68356 71070 76529 85445 102534 142140 153058 170890 205068 229587 256335 306116 341780 382645 459174 512670 765290 918348 1025340 1147935 1530580 1760167 2295870 3520334 4591740 5280501 7040668 8800835 10561002 17601670 21122004 26402505 35203340 52805010 105610020