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120320212 = 2230080053
BaseRepresentation
bin1110010101111…
…11000011010100
322101101220022011
413022333003110
5221300221322
615534514004
72660463535
oct712770324
9271356264
10120320212
1161a103a1
1234365904
131bc098bc
1411da068c
15a86a677
hex72bf0d4

120320212 has 6 divisors (see below), whose sum is σ = 210560378. Its totient is φ = 60160104.

The previous prime is 120320197. The next prime is 120320219. The reversal of 120320212 is 212023021.

It can be written as a sum of positive squares in only one way, i.e., 117375556 + 2944656 = 10834^2 + 1716^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120320192 and 120320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120320219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15040023 + ... + 15040030.

Almost surely, 2120320212 is an apocalyptic number.

It is an amenable number.

120320212 is a deficient number, since it is larger than the sum of its proper divisors (90240166).

120320212 is a wasteful number, since it uses less digits than its factorization.

120320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30080057 (or 30080055 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 120320212 is about 10969.0570241931. The cubic root of 120320212 is about 493.6807533717.

Adding to 120320212 its reverse (212023021), we get a palindrome (332343233).

The spelling of 120320212 in words is "one hundred twenty million, three hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 30080053 60160106 120320212