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230843844 = 223471119487
BaseRepresentation
bin11011100001001…
…10010111000100
3121002101002020000
431300212113010
5433044000334
634523441300
75502066060
oct1560462704
9532332200
10230843844
1110933a440
1265386230
1338a963ba
1422930aa0
15153ed299
hexdc265c4

230843844 has 240 divisors, whose sum is σ = 793605120. Its totient is φ = 56687040.

The previous prime is 230843843. The next prime is 230843849. The reversal of 230843844 is 448348032.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 230843799 and 230843808.

It is not an unprimeable number, because it can be changed into a prime (230843843) 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 79 ways as a sum of consecutive naturals, for example, 473769 + ... + 474255.

It is an arithmetic number, because the mean of its divisors is an integer number (3306688).

Almost surely, 2230843844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230843844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396802560).

230843844 is an abundant number, since it is smaller than the sum of its proper divisors (562761276).

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

230843844 is a wasteful number, since it uses less digits than its factorization.

230843844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 230843844 is about 15193.5461298540. The cubic root of 230843844 is about 613.4409529436.

The spelling of 230843844 in words is "two hundred thirty million, eight hundred forty-three thousand, eight hundred forty-four".