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230012160 = 2835743199
BaseRepresentation
bin11011011010110…
…11010100000000
3121000210211100220
431231123110000
5432340342120
634453543040
75462033250
oct1555332400
9530724326
10230012160
111089215a4
1265044a80
1338864991
1422795960
15152d6b40
hexdb5b500

230012160 has 288 divisors, whose sum is σ = 863385600. Its totient is φ = 51093504.

The previous prime is 230012143. The next prime is 230012171. The reversal of 230012160 is 61210032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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, 1155741 + ... + 1155939.

Almost surely, 2230012160 is an apocalyptic number.

230012160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230012160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431692800).

230012160 is an abundant number, since it is smaller than the sum of its proper divisors (633373440).

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

230012160 is a wasteful number, since it uses less digits than its factorization.

230012160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 230012160 is about 15166.1517861322. The cubic root of 230012160 is about 612.7033649291.

Adding to 230012160 its reverse (61210032), we get a palindrome (291222192).

The spelling of 230012160 in words is "two hundred thirty million, twelve thousand, one hundred sixty".