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2003230230 = 2351931731553
BaseRepresentation
bin111011101100110…
…1101111000010110
312011121102122021020
41313121231320112
513100311331410
6530440102010
7100433114241
oct16731557026
95147378236
102003230230
11938853581
1247aa64906
1325c038741
1415009a258
15baceea70
hex7766de16

2003230230 has 128 divisors (see below), whose sum is σ = 5299015680. Its totient is φ = 482734080.

The previous prime is 2003230223. The next prime is 2003230237. The reversal of 2003230230 is 320323002.

It is an interprime number because it is at equal distance from previous prime (2003230223) and next prime (2003230237).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003230237) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1289134 + ... + 1290686.

It is an arithmetic number, because the mean of its divisors is an integer number (41398560).

Almost surely, 22003230230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003230230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649507840).

2003230230 is an abundant number, since it is smaller than the sum of its proper divisors (3295785450).

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

2003230230 is a wasteful number, since it uses less digits than its factorization.

2003230230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 2003230230 is about 44757.4600485774. The cubic root of 2003230230 is about 1260.5989908371.

Adding to 2003230230 its reverse (320323002), we get a palindrome (2323553232).

The spelling of 2003230230 in words is "two billion, three million, two hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 31 38 57 62 73 93 95 114 146 155 186 190 219 285 310 365 438 465 570 589 730 930 1095 1178 1387 1553 1767 2190 2263 2774 2945 3106 3534 4161 4526 4659 5890 6789 6935 7765 8322 8835 9318 11315 13578 13870 15530 17670 20805 22630 23295 29507 33945 41610 42997 46590 48143 59014 67890 85994 88521 96286 113369 128991 144429 147535 177042 214985 226738 240715 257982 288858 295070 340107 429970 442605 481430 566845 644955 680214 722145 885210 914717 1133690 1289910 1444290 1700535 1829434 2154011 2744151 3401070 3514439 4308022 4573585 5488302 6462033 7028878 9147170 10543317 10770055 12924066 13720755 17572195 21086634 21540110 27441510 32310165 35144390 52716585 64620330 66774341 105433170 133548682 200323023 333871705 400646046 667743410 1001615115 2003230230