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230505201 = 3225611689
BaseRepresentation
bin11011011110100…
…11101011110001
3121001201212200200
431233103223301
5433002131301
634512305413
75466155553
oct1557235361
9531655620
10230505201
11109128a73
1265242269
13389a8214
14228834d3
1515382c86
hexdbd3af1

230505201 has 6 divisors (see below), whose sum is σ = 332951970. Its totient is φ = 153670128.

The previous prime is 230505199. The next prime is 230505211. The reversal of 230505201 is 102505032.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 116122176 + 114383025 = 10776^2 + 10695^2 .

It is not a de Polignac number, because 230505201 - 21 = 230505199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230505211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12805836 + ... + 12805853.

It is an arithmetic number, because the mean of its divisors is an integer number (55491995).

Almost surely, 2230505201 is an apocalyptic number.

It is an amenable number.

230505201 is a deficient number, since it is larger than the sum of its proper divisors (102446769).

230505201 is a wasteful number, since it uses less digits than its factorization.

230505201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25611695 (or 25611692 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 230505201 is about 15182.3977355357. The cubic root of 230505201 is about 613.1408378730.

The spelling of 230505201 in words is "two hundred thirty million, five hundred five thousand, two hundred one".

Divisors: 1 3 9 25611689 76835067 230505201