Search a number
-
+
230345447 is a prime number
BaseRepresentation
bin11011011101011…
…00101011100111
3121001102202112212
431232230223213
5432432023242
634505034035
75464622033
oct1556545347
9531382485
10230345447
11109029a42
126518591b
13389505a7
14228411c3
1515350782
hexdbacae7

230345447 has 2 divisors, whose sum is σ = 230345448. Its totient is φ = 230345446.

The previous prime is 230345429. The next prime is 230345459. The reversal of 230345447 is 744543032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230345447 - 26 = 230345383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230345147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115172723 + 115172724.

It is an arithmetic number, because the mean of its divisors is an integer number (115172724).

Almost surely, 2230345447 is an apocalyptic number.

230345447 is a deficient number, since it is larger than the sum of its proper divisors (1).

230345447 is an equidigital number, since it uses as much as digits as its factorization.

230345447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 230345447 is about 15177.1356652038. The cubic root of 230345447 is about 612.9991572825. Note that the first 3 decimals are identical.

Adding to 230345447 its reverse (744543032), we get a palindrome (974888479).

The spelling of 230345447 in words is "two hundred thirty million, three hundred forty-five thousand, four hundred forty-seven".