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230540530 = 25112095823
BaseRepresentation
bin11011011110111…
…00010011110010
3121001210200011011
431233130103302
5433004244110
634513141134
75466363553
oct1557342362
9531720134
10230540530
11109152570
126525a7aa
13389bb31c
142289232a
151538d48a
hexdbdc4f2

230540530 has 16 divisors (see below), whose sum is σ = 452697984. Its totient is φ = 83832880.

The previous prime is 230540491. The next prime is 230540543. The reversal of 230540530 is 35045032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047802 + ... + 1048021.

It is an arithmetic number, because the mean of its divisors is an integer number (28293624).

Almost surely, 2230540530 is an apocalyptic number.

230540530 is a deficient number, since it is larger than the sum of its proper divisors (222157454).

230540530 is a wasteful number, since it uses less digits than its factorization.

230540530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095841.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 230540530 is about 15183.5611764829. The cubic root of 230540530 is about 613.1721611663.

Adding to 230540530 its reverse (35045032), we get a palindrome (265585562).

The spelling of 230540530 in words is "two hundred thirty million, five hundred forty thousand, five hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 2095823 4191646 10479115 20958230 23054053 46108106 115270265 230540530