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230261029 is a prime number
BaseRepresentation
bin11011011100110…
…00000100100101
3121001021110202021
431232120010211
5432421323104
634503143141
75464120645
oct1556300445
9531243667
10230261029
11108a81579
1265144ab1
133892103b
142281c525
1515335754
hexdb98125

230261029 has 2 divisors, whose sum is σ = 230261030. Its totient is φ = 230261028.

The previous prime is 230260973. The next prime is 230261047. The reversal of 230261029 is 920162032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158180929 + 72080100 = 12577^2 + 8490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230261029 is a prime.

It is a super-2 number, since 2×2302610292 = 106040282952277682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230260994 and 230261012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230261089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115130514 + 115130515.

It is an arithmetic number, because the mean of its divisors is an integer number (115130515).

Almost surely, 2230261029 is an apocalyptic number.

It is an amenable number.

230261029 is a deficient number, since it is larger than the sum of its proper divisors (1).

230261029 is an equidigital number, since it uses as much as digits as its factorization.

230261029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 230261029 is about 15174.3543190476. The cubic root of 230261029 is about 612.9242632680.

The spelling of 230261029 in words is "two hundred thirty million, two hundred sixty-one thousand, twenty-nine".