Search a number
-
+
230320332 = 223211581617
BaseRepresentation
bin11011011101001…
…10100011001100
3121001101111002200
431232212203030
5432430222312
634504321500
75464455564
oct1556464314
9531344080
10230320332
11109012090
1265173290
1338942028
1422835da4
15153480dc
hexdba68cc

230320332 has 36 divisors (see below), whose sum is σ = 635126856. Its totient is φ = 69793920.

The previous prime is 230320271. The next prime is 230320333. The reversal of 230320332 is 233023032.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (230320333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290413 + ... + 291204.

Almost surely, 2230320332 is an apocalyptic number.

230320332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

230320332 is an abundant number, since it is smaller than the sum of its proper divisors (404806524).

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

230320332 is a wasteful number, since it uses less digits than its factorization.

230320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581638 (or 581633 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 230320332 is about 15176.3082467377. The cubic root of 230320332 is about 612.9768776534.

Adding to 230320332 its reverse (233023032), we get a palindrome (463343364).

The spelling of 230320332 in words is "two hundred thirty million, three hundred twenty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 581617 1163234 1744851 2326468 3489702 5234553 6397787 6979404 10469106 12795574 19193361 20938212 25591148 38386722 57580083 76773444 115160166 230320332