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105510925 = 5213317113
BaseRepresentation
bin1100100100111…
…11100000001101
321100112111210001
412102133200031
5204002322200
614245244301
72420554012
oct622374015
9240474701
10105510925
1154615a13
122b403691
1318b23000
1410027709
1593e276a
hex649f80d

105510925 has 48 divisors (see below), whose sum is σ = 151396560. Its totient is φ = 72683520.

The previous prime is 105510919. The next prime is 105510929. The reversal of 105510925 is 529015501.

It can be written as a sum of positive squares in 24 ways, for example, as 80048809 + 25462116 = 8947^2 + 5046^2 .

It is not a de Polignac number, because 105510925 - 25 = 105510893 is a prime.

It is a super-2 number, since 2×1055109252 = 22265110588711250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105510893 and 105510902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105510929) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 933669 + ... + 933781.

It is an arithmetic number, because the mean of its divisors is an integer number (3154095).

Almost surely, 2105510925 is an apocalyptic number.

It is an amenable number.

105510925 is a deficient number, since it is larger than the sum of its proper divisors (45885635).

105510925 is a wasteful number, since it uses less digits than its factorization.

105510925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 105510925 is about 10271.8510989987. The cubic root of 105510925 is about 472.5333627049.

The spelling of 105510925 in words is "one hundred five million, five hundred ten thousand, nine hundred twenty-five".

Divisors: 1 5 13 17 25 65 85 113 169 221 325 425 565 845 1105 1469 1921 2197 2825 2873 4225 5525 7345 9605 10985 14365 19097 24973 36725 37349 48025 54925 71825 95485 124865 186745 248261 324649 477425 624325 933725 1241305 1623245 4220437 6206525 8116225 21102185 105510925