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120230210 = 2512023021
BaseRepresentation
bin1110010101010…
…01000101000010
322101020022211202
413022221011002
5221234331320
615532541202
72656640252
oct712510502
9271208752
10120230210
1161959811
1234321802
131bba7949
1411d79962
15a84db75
hex72a9142

120230210 has 8 divisors (see below), whose sum is σ = 216414396. Its totient is φ = 48092080.

The previous prime is 120230203. The next prime is 120230213. The reversal of 120230210 is 12032021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119924401 + 305809 = 10951^2 + 553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120230191 and 120230200.

It is not an unprimeable number, because it can be changed into a prime (120230213) 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 3 ways as a sum of consecutive naturals, for example, 6011501 + ... + 6011520.

Almost surely, 2120230210 is an apocalyptic number.

120230210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120230210 is a deficient number, since it is larger than the sum of its proper divisors (96184186).

120230210 is a wasteful number, since it uses less digits than its factorization.

120230210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12023028.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 120230210 is about 10964.9537162726. The cubic root of 120230210 is about 493.5576282049.

Adding to 120230210 its reverse (12032021), we get a palindrome (132262231).

The spelling of 120230210 in words is "one hundred twenty million, two hundred thirty thousand, two hundred ten".

Divisors: 1 2 5 10 12023021 24046042 60115105 120230210