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230841213 = 3169745343
BaseRepresentation
bin11011100001001…
…01101101111101
3121002100221121120
431300211231331
5433043404323
634523421153
75502055311
oct1560455575
9532327546
10230841213
11109338469
12653847b9
1338a95145
142292db41
15153ec5e3
hexdc25b7d

230841213 has 8 divisors (see below), whose sum is σ = 307976448. Its totient is φ = 153800064.

The previous prime is 230841199. The next prime is 230841223. The reversal of 230841213 is 312148032.

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

It is not a de Polignac number, because 230841213 - 210 = 230840189 is a prime.

It is a super-2 number, since 2×2308412132 = 106575331238622738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230841223) 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, 17581 + ... + 27762.

It is an arithmetic number, because the mean of its divisors is an integer number (38497056).

Almost surely, 2230841213 is an apocalyptic number.

It is an amenable number.

230841213 is a deficient number, since it is larger than the sum of its proper divisors (77135235).

230841213 is a wasteful number, since it uses less digits than its factorization.

230841213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47043.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 230841213 is about 15193.4595467918. The cubic root of 230841213 is about 613.4386224082.

Adding to 230841213 its reverse (312148032), we get a palindrome (542989245).

The spelling of 230841213 in words is "two hundred thirty million, eight hundred forty-one thousand, two hundred thirteen".

Divisors: 1 3 1697 5091 45343 136029 76947071 230841213