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230304130 = 25719434027
BaseRepresentation
bin11011011101000…
…10100110000010
3121001100122212121
431232202212002
5432424213010
634504114454
75464360420
oct1556424602
9531318777
10230304130
111090009a1
1265165a2a
1338937844
1422830110
15153433da
hexdba2982

230304130 has 64 divisors (see below), whose sum is σ = 510428160. Its totient is φ = 73047744.

The previous prime is 230304127. The next prime is 230304131. The reversal of 230304130 is 31403032.

It is not an unprimeable number, because it can be changed into a prime (230304131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55177 + ... + 59203.

It is an arithmetic number, because the mean of its divisors is an integer number (7975440).

Almost surely, 2230304130 is an apocalyptic number.

230304130 is an abundant number, since it is smaller than the sum of its proper divisors (280124030).

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

230304130 is a wasteful number, since it uses less digits than its factorization.

230304130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 230304130 is about 15175.7744448183. The cubic root of 230304130 is about 612.9625039271.

Adding to 230304130 its reverse (31403032), we get a palindrome (261707162).

The spelling of 230304130 in words is "two hundred thirty million, three hundred four thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 43 70 86 95 133 190 215 266 301 430 602 665 817 1330 1505 1634 3010 4027 4085 5719 8054 8170 11438 20135 28189 28595 40270 56378 57190 76513 140945 153026 173161 281890 346322 382565 535591 765130 865805 1071182 1212127 1731610 2424254 2677955 3290059 5355910 6060635 6580118 12121270 16450295 23030413 32900590 46060826 115152065 230304130