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230120324 = 22719432557
BaseRepresentation
bin11011011011101…
…01101110000100
3121001000022201222
431231311232010
5432402322244
634500135512
75462663510
oct1555655604
9531008658
10230120324
11108995895
1265097598
13388a1c95
14227c3140
1515308bee
hexdb75b84

230120324 has 24 divisors (see below), whose sum is σ = 484464960. Its totient is φ = 93432096.

The previous prime is 230120311. The next prime is 230120327. The reversal of 230120324 is 423021032.

It is not an unprimeable number, because it can be changed into a prime (230120327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215747 + ... + 216810.

It is an arithmetic number, because the mean of its divisors is an integer number (20186040).

Almost surely, 2230120324 is an apocalyptic number.

It is an amenable number.

230120324 is an abundant number, since it is smaller than the sum of its proper divisors (254344636).

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

230120324 is a wasteful number, since it uses less digits than its factorization.

230120324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432587 (or 432585 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 230120324 is about 15169.7173342156. The cubic root of 230120324 is about 612.7993918250.

Adding to 230120324 its reverse (423021032), we get a palindrome (653141356).

The spelling of 230120324 in words is "two hundred thirty million, one hundred twenty thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 432557 865114 1730228 3027899 6055798 8218583 12111596 16437166 32874332 57530081 115060162 230120324