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230505001 is a prime number
BaseRepresentation
bin11011011110100…
…11101000101001
3121001201212102021
431233103220221
5433002130001
634512304441
75466155146
oct1557235051
9531655367
10230505001
11109128901
1265242121
13389a80bc
14228833cd
1515382ba1
hexdbd3a29

230505001 has 2 divisors, whose sum is σ = 230505002. Its totient is φ = 230505000.

The previous prime is 230504999. The next prime is 230505007. The reversal of 230505001 is 100505032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174240000 + 56265001 = 13200^2 + 7501^2 .

It is a cyclic number.

It is not a de Polignac number, because 230505001 - 21 = 230504999 is a prime.

Together with 230504999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (230505007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115252500 + 115252501.

It is an arithmetic number, because the mean of its divisors is an integer number (115252501).

Almost surely, 2230505001 is an apocalyptic number.

It is an amenable number.

230505001 is a deficient number, since it is larger than the sum of its proper divisors (1).

230505001 is an equidigital number, since it uses as much as digits as its factorization.

230505001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 230505001 is about 15182.3911489594. The cubic root of 230505001 is about 613.1406605405.

The spelling of 230505001 in words is "two hundred thirty million, five hundred five thousand, one".