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230461421 is a prime number
BaseRepresentation
bin11011011110010…
…00111111101101
3121001122122122012
431233020333231
5432444231141
634511331005
75465614121
oct1557107755
9531578565
10230461421
111090a9093
1265220a65
1338991308
1422871581
1515374ceb
hexdbc8fed

230461421 has 2 divisors, whose sum is σ = 230461422. Its totient is φ = 230461420.

The previous prime is 230461411. The next prime is 230461433. The reversal of 230461421 is 124164032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170955625 + 59505796 = 13075^2 + 7714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230461421 is a prime.

It is a super-2 number, since 2×2304614212 = 106224933138678482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230461411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115230710 + 115230711.

It is an arithmetic number, because the mean of its divisors is an integer number (115230711).

Almost surely, 2230461421 is an apocalyptic number.

It is an amenable number.

230461421 is a deficient number, since it is larger than the sum of its proper divisors (1).

230461421 is an equidigital number, since it uses as much as digits as its factorization.

230461421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 230461421 is about 15180.9558658208. The cubic root of 230461421 is about 613.1020173382.

The spelling of 230461421 in words is "two hundred thirty million, four hundred sixty-one thousand, four hundred twenty-one".