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80401219 is a prime number
BaseRepresentation
bin1001100101011…
…01001101000011
312121021210201221
410302231031003
5131040314334
611551135511
71664253613
oct462551503
9177253657
1080401219
1141425698
1222b14597
1313870bb2
14a96ca43
1570d28b4
hex4cad343

80401219 has 2 divisors, whose sum is σ = 80401220. Its totient is φ = 80401218.

The previous prime is 80401201. The next prime is 80401229. The reversal of 80401219 is 91210408.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80401219 - 27 = 80401091 is a prime.

It is a super-2 number, since 2×804012192 = 12928712033371922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80401193 and 80401202.

It is not a weakly prime, because it can be changed into another prime (80401229) 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, 40200609 + 40200610.

It is an arithmetic number, because the mean of its divisors is an integer number (40200610).

Almost surely, 280401219 is an apocalyptic number.

80401219 is a deficient number, since it is larger than the sum of its proper divisors (1).

80401219 is an equidigital number, since it uses as much as digits as its factorization.

80401219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 80401219 is about 8966.6726827737. The cubic root of 80401219 is about 431.6060705793.

The spelling of 80401219 in words is "eighty million, four hundred one thousand, two hundred nineteen".