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230210033 = 2919494073
BaseRepresentation
bin11011011100010…
…11100111110001
3121001011212210112
431232023213301
5432413210113
634502111105
75463516164
oct1556134761
9531155715
10230210033
11108a47229
126511b495
1338903a71
1422807adb
15153255a8
hexdb8b9f1

230210033 has 8 divisors (see below), whose sum is σ = 238329000. Its totient is φ = 222103168.

The previous prime is 230210021. The next prime is 230210051. The reversal of 230210033 is 330012032.

It can be written as a sum of positive squares in 4 ways, for example, as 26091664 + 204118369 = 5108^2 + 14287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230210033 is a prime.

It is a super-2 number, since 2×2302100332 = 105993318587722178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230210833) by changing a digit.

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, 54485 + ... + 58557.

It is an arithmetic number, because the mean of its divisors is an integer number (29791125).

Almost surely, 2230210033 is an apocalyptic number.

It is an amenable number.

230210033 is a deficient number, since it is larger than the sum of its proper divisors (8118967).

230210033 is a wasteful number, since it uses less digits than its factorization.

230210033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051.

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

The square root of 230210033 is about 15172.6738909132. The cubic root of 230210033 is about 612.8790117352.

Adding to 230210033 its reverse (330012032), we get a palindrome (560222065).

The spelling of 230210033 in words is "two hundred thirty million, two hundred ten thousand, thirty-three".

Divisors: 1 29 1949 4073 56521 118117 7938277 230210033