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2203021230 = 235269272989
BaseRepresentation
bin1000001101001111…
…0110111110101110
312200112101001222220
42003103312332232
514002433134410
61002334220210
7105410241264
oct20323667656
95615331886
102203021230
11a30603503
12515954666
1329154b877
1416c826434
15cd617070
hex834f6fae

2203021230 has 32 divisors (see below), whose sum is σ = 5306925600. Its totient is φ = 585286272.

The previous prime is 2203021217. The next prime is 2203021241. The reversal of 2203021230 is 321203022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128425 + ... + 144564.

It is an arithmetic number, because the mean of its divisors is an integer number (165841425).

Almost surely, 22203021230 is an apocalyptic number.

2203021230 is an abundant number, since it is smaller than the sum of its proper divisors (3103904370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2203021230 is a wasteful number, since it uses less digits than its factorization.

2203021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273268.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2203021230 is about 46936.3529686745. The cubic root of 2203021230 is about 1301.1865360247.

Adding to 2203021230 its reverse (321203022), we get a palindrome (2524224252).

The spelling of 2203021230 in words is "two billion, two hundred three million, twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 269 538 807 1345 1614 2690 4035 8070 272989 545978 818967 1364945 1637934 2729890 4094835 8189670 73434041 146868082 220302123 367170205 440604246 734340410 1101510615 2203021230