Search a number
-
+
230442325 = 5219874639
BaseRepresentation
bin11011011110001…
…00010101010101
3121001121200102221
431233010111111
5432443123300
634511102341
75465504341
oct1557042525
9531550387
10230442325
11109095803
12652119b1
1338985709
1422868621
151536e31a
hexdbc4555

230442325 has 12 divisors (see below), whose sum is σ = 285953920. Its totient is φ = 184221360.

The previous prime is 230442319. The next prime is 230442337. The reversal of 230442325 is 523244032.

It is not a de Polignac number, because 230442325 - 27 = 230442197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 230442325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47356 + ... + 51994.

Almost surely, 2230442325 is an apocalyptic number.

230442325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230442325 is a deficient number, since it is larger than the sum of its proper divisors (55511595).

230442325 is a wasteful number, since it uses less digits than its factorization.

230442325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636 (or 6631 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 230442325 is about 15180.3269068884. The cubic root of 230442325 is about 613.0850830223.

Adding to 230442325 its reverse (523244032), we get a palindrome (753686357).

The spelling of 230442325 in words is "two hundred thirty million, four hundred forty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 1987 4639 9935 23195 49675 115975 9217693 46088465 230442325