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120225205 = 5436189103
BaseRepresentation
bin1110010101001…
…11110110110101
322101020001222101
413022213312311
5221234201310
615532502101
72656616542
oct712476665
9271201871
10120225205
1161955a81
123431a931
131bba5599
1411d77bc9
15a84c43a
hex72a7db5

120225205 has 32 divisors (see below), whose sum is σ = 153204480. Its totient is φ = 90478080.

The previous prime is 120225187. The next prime is 120225211. The reversal of 120225205 is 502522021.

It is not a de Polignac number, because 120225205 - 29 = 120224693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1167184 + ... + 1167286.

It is an arithmetic number, because the mean of its divisors is an integer number (4787640).

Almost surely, 2120225205 is an apocalyptic number.

It is an amenable number.

120225205 is a deficient number, since it is larger than the sum of its proper divisors (32979275).

120225205 is a wasteful number, since it uses less digits than its factorization.

120225205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 120225205 is about 10964.7254867598. The cubic root of 120225205 is about 493.5507794265.

Adding to 120225205 its reverse (502522021), we get a palindrome (622747226).

The spelling of 120225205 in words is "one hundred twenty million, two hundred twenty-five thousand, two hundred five".

Divisors: 1 5 43 61 89 103 215 305 445 515 2623 3827 4429 5429 6283 9167 13115 19135 22145 27145 31415 45835 233447 270169 394181 559187 1167235 1350845 1970905 2795935 24045041 120225205