Search a number
-
+
230445325 = 52115397163
BaseRepresentation
bin11011011110001…
…01000100001101
3121001121211120001
431233011010031
5432443222300
634511124301
75465516155
oct1557050415
9531554501
10230445325
11109097a90
1265213691
1338986ba6
1422869765
151537016a
hexdbc510d

230445325 has 48 divisors (see below), whose sum is σ = 322854336. Its totient is φ = 161740800.

The previous prime is 230445323. The next prime is 230445343. The reversal of 230445325 is 523544032.

230445325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230445325 - 21 = 230445323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230445293 and 230445302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230445323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1413694 + ... + 1413856.

It is an arithmetic number, because the mean of its divisors is an integer number (6726132).

Almost surely, 2230445325 is an apocalyptic number.

230445325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230445325 is a deficient number, since it is larger than the sum of its proper divisors (92409011).

230445325 is a wasteful number, since it uses less digits than its factorization.

230445325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 230445325 is about 15180.4257186681. The cubic root of 230445325 is about 613.0877434816.

Adding to 230445325 its reverse (523544032), we get a palindrome (753989357).

The spelling of 230445325 in words is "two hundred thirty million, four hundred forty-five thousand, three hundred twenty-five".

Divisors: 1 5 11 25 53 55 97 163 265 275 485 583 815 1067 1325 1793 2425 2915 4075 5141 5335 8639 8965 14575 15811 25705 26675 43195 44825 56551 79055 95029 128525 173921 215975 282755 395275 475145 837983 869605 1413775 2375725 4189915 4348025 9217813 20949575 46089065 230445325