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2130230 = 25213023
BaseRepresentation
bin1000001000000100110110
311000020010102
420020010312
51021131410
6113354102
724051404
oct10100466
94006112
102130230
111225523
12868932
135977bb
143d6474
152c12a5
hex208136

2130230 has 8 divisors (see below), whose sum is σ = 3834432. Its totient is φ = 852088.

The previous prime is 2130209. The next prime is 2130239. The reversal of 2130230 is 320312.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106502 + ... + 106521.

It is an arithmetic number, because the mean of its divisors is an integer number (479304).

22130230 is an apocalyptic number.

2130230 is a deficient number, since it is larger than the sum of its proper divisors (1704202).

2130230 is a wasteful number, since it uses less digits than its factorization.

2130230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213030.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2130230 is about 1459.5307465072. The cubic root of 2130230 is about 128.6694660843.

Adding to 2130230 its reverse (320312), we get a palindrome (2450542).

The spelling of 2130230 in words is "two million, one hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 213023 426046 1065115 2130230