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230433130 = 251729431087
BaseRepresentation
bin11011011110000…
…10000101101010
3121001121012211101
431233002011222
5432442330010
634510552014
75465435464
oct1557020552
9531535741
10230433130
11109089904
126520860a
1338981485
1422865134
151536b73a
hexdbc216a

230433130 has 64 divisors (see below), whose sum is σ = 465315840. Its totient is φ = 81736704.

The previous prime is 230433109. The next prime is 230433143. The reversal of 230433130 is 31334032.

230433130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 230433098 and 230433107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211447 + ... + 212533.

It is an arithmetic number, because the mean of its divisors is an integer number (7270560).

Almost surely, 2230433130 is an apocalyptic number.

230433130 is an abundant number, since it is smaller than the sum of its proper divisors (234882710).

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

230433130 is a wasteful number, since it uses less digits than its factorization.

230433130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 230433130 is about 15180.0240447767. The cubic root of 230433130 is about 613.0769285708.

Adding to 230433130 its reverse (31334032), we get a palindrome (261767162).

The spelling of 230433130 in words is "two hundred thirty million, four hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 17 29 34 43 58 85 86 145 170 215 290 430 493 731 986 1087 1247 1462 2174 2465 2494 3655 4930 5435 6235 7310 10870 12470 18479 21199 31523 36958 42398 46741 63046 92395 93482 105995 157615 184790 211990 233705 315230 467410 535891 794597 1071782 1355489 1589194 2679455 2710978 3972985 5358910 6777445 7945970 13554890 23043313 46086626 115216565 230433130