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230201033 = 901325541
BaseRepresentation
bin11011011100010…
…01011011001001
3121001011102110012
431232021123021
5432412413113
634502001305
75463451016
oct1556113311
9531142405
10230201033
11108a40497
1265116235
13388cc93a
142280470d
1515322aa8
hexdb896c9

230201033 has 4 divisors (see below), whose sum is σ = 230235588. Its totient is φ = 230166480.

The previous prime is 230201003. The next prime is 230201051. The reversal of 230201033 is 330102032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104693824 + 125507209 = 10232^2 + 11203^2 .

It is a cyclic number.

It is not a de Polignac number, because 230201033 - 216 = 230135497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230200999 and 230201017.

It is not an unprimeable number, because it can be changed into a prime (230201003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3758 + ... + 21783.

It is an arithmetic number, because the mean of its divisors is an integer number (57558897).

Almost surely, 2230201033 is an apocalyptic number.

It is an amenable number.

230201033 is a deficient number, since it is larger than the sum of its proper divisors (34555).

230201033 is an equidigital number, since it uses as much as digits as its factorization.

230201033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34554.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 230201033 is about 15172.3773021897. The cubic root of 230201033 is about 612.8710248505.

Adding to 230201033 its reverse (330102032), we get a palindrome (560303065).

Subtracting 230201033 from its reverse (330102032), we obtain a palindrome (99900999).

The spelling of 230201033 in words is "two hundred thirty million, two hundred one thousand, thirty-three".

Divisors: 1 9013 25541 230201033