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342180673 is a prime number
BaseRepresentation
bin10100011001010…
…100001101000001
3212211212120122021
4110121110031001
51200044240143
653542041441
711323326202
oct2431241501
9784776567
10342180673
1116617444a
1296719281
1355b79093
14336335a9
1520091ced
hex14654341

342180673 has 2 divisors, whose sum is σ = 342180674. Its totient is φ = 342180672.

The previous prime is 342180661. The next prime is 342180689. The reversal of 342180673 is 376081243.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296252944 + 45927729 = 17212^2 + 6777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-342180673 is a prime.

It is a super-2 number, since 2×3421806732 = 234175225949465858, which contains 22 as substring.

It is equal to p18405835 and since 342180673 and 18405835 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (342180623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171090336 + 171090337.

It is an arithmetic number, because the mean of its divisors is an integer number (171090337).

Almost surely, 2342180673 is an apocalyptic number.

It is an amenable number.

342180673 is a deficient number, since it is larger than the sum of its proper divisors (1).

342180673 is an equidigital number, since it uses as much as digits as its factorization.

342180673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 342180673 is about 18498.1262024022. The cubic root of 342180673 is about 699.4421903096.

The spelling of 342180673 in words is "three hundred forty-two million, one hundred eighty thousand, six hundred seventy-three".