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230201530 = 25131993199
BaseRepresentation
bin11011011100010…
…01100010111010
3121001011110010121
431232021202322
5432412422110
634502003454
75463452326
oct1556114272
9531143117
10230201530
11108a408a9
126511658a
13388ccc30
1422804986
1515322cda
hexdb898ba

230201530 has 32 divisors (see below), whose sum is σ = 469728000. Its totient is φ = 80523072.

The previous prime is 230201527. The next prime is 230201551. The reversal of 230201530 is 35102032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44130 + ... + 49069.

It is an arithmetic number, because the mean of its divisors is an integer number (14679000).

Almost surely, 2230201530 is an apocalyptic number.

230201530 is an abundant number, since it is smaller than the sum of its proper divisors (239526470).

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

230201530 is a wasteful number, since it uses less digits than its factorization.

230201530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93238.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 230201530 is about 15172.3936806293. The cubic root of 230201530 is about 612.8714659094.

Adding to 230201530 its reverse (35102032), we get a palindrome (265303562).

The spelling of 230201530 in words is "two hundred thirty million, two hundred one thousand, five hundred thirty".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 190 247 494 1235 2470 93199 186398 465995 931990 1211587 1770781 2423174 3541562 6057935 8853905 12115870 17707810 23020153 46040306 115100765 230201530