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405301049 is a prime number
BaseRepresentation
bin11000001010000…
…110011100111001
31001020122102111222
4120022012130321
51312224113144
6104115001425
713021000466
oct3012063471
91036572458
10405301049
1119886674a
12b3899275
1365c7940a
143bb8466d
15258ae2ee
hex18286739

405301049 has 2 divisors, whose sum is σ = 405301050. Its totient is φ = 405301048.

The previous prime is 405301021. The next prime is 405301067. The reversal of 405301049 is 940103504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401281024 + 4020025 = 20032^2 + 2005^2 .

It is a cyclic number.

It is not a de Polignac number, because 405301049 - 228 = 136865593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (405301549) 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, 202650524 + 202650525.

It is an arithmetic number, because the mean of its divisors is an integer number (202650525).

Almost surely, 2405301049 is an apocalyptic number.

It is an amenable number.

405301049 is a deficient number, since it is larger than the sum of its proper divisors (1).

405301049 is an equidigital number, since it uses as much as digits as its factorization.

405301049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 405301049 is about 20132.0900305954. The cubic root of 405301049 is about 740.0468980504.

The spelling of 405301049 in words is "four hundred five million, three hundred one thousand, forty-nine".