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230321536 = 272238069
BaseRepresentation
bin11011011101001…
…10110110000000
3121001101112202021
431232212312000
5432430242121
634504331224
75464462234
oct1556466600
9531345667
10230321536
11109012a85
1265173b14
1338942743
14228365c4
1515348641
hexdba6d80

230321536 has 32 divisors (see below), whose sum is σ = 460958400. Its totient is φ = 114630144.

The previous prime is 230321501. The next prime is 230321551. The reversal of 230321536 is 635123032.

It is a happy number.

230321536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 230321536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24510 + ... + 32578.

It is an arithmetic number, because the mean of its divisors is an integer number (14404950).

Almost surely, 2230321536 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 230321536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230479200).

230321536 is an abundant number, since it is smaller than the sum of its proper divisors (230636864).

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

230321536 is an equidigital number, since it uses as much as digits as its factorization.

230321536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8306 (or 8294 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 230321536 is about 15176.3479137769. The cubic root of 230321536 is about 612.9779457641.

Adding to 230321536 its reverse (635123032), we get a palindrome (865444568).

The spelling of 230321536 in words is "two hundred thirty million, three hundred twenty-one thousand, five hundred thirty-six".

Divisors: 1 2 4 8 16 32 64 128 223 446 892 1784 3568 7136 8069 14272 16138 28544 32276 64552 129104 258208 516416 1032832 1799387 3598774 7197548 14395096 28790192 57580384 115160768 230321536