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230601956 = 221323192811
BaseRepresentation
bin11011011111010…
…11010011100100
3121001220210102012
431233223103210
5433013230311
634514333352
75500040624
oct1557532344
9531823365
10230601956
11109194732
126528a258
1338a10280
14228aa884
15153a178b
hexdbeb4e4

230601956 has 24 divisors (see below), whose sum is σ = 453493824. Its totient is φ = 101803680.

The previous prime is 230601929. The next prime is 230601961. The reversal of 230601956 is 659106032.

It is a happy number.

230601956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2306019562 = 106354524222051872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95210 + ... + 97601.

It is an arithmetic number, because the mean of its divisors is an integer number (18895576).

Almost surely, 2230601956 is an apocalyptic number.

230601956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

230601956 is a deficient number, since it is larger than the sum of its proper divisors (222891868).

230601956 is a wasteful number, since it uses less digits than its factorization.

230601956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192851 (or 192849 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 230601956 is about 15185.5838215065. The cubic root of 230601956 is about 613.2266148864.

Adding to 230601956 its reverse (659106032), we get a palindrome (889707988).

The spelling of 230601956 in words is "two hundred thirty million, six hundred one thousand, nine hundred fifty-six".

Divisors: 1 2 4 13 23 26 46 52 92 299 598 1196 192811 385622 771244 2506543 4434653 5013086 8869306 10026172 17738612 57650489 115300978 230601956