Search a number
-
+
342174251 is a prime number
BaseRepresentation
bin10100011001010…
…010101000101011
3212211212020211102
4110121102220223
51200044034001
653541552015
711323301366
oct2431225053
9784766742
10342174251
1116616a641
129671560b
1355b76193
14336310dd
152008ee6b
hex14652a2b

342174251 has 2 divisors, whose sum is σ = 342174252. Its totient is φ = 342174250.

The previous prime is 342174199. The next prime is 342174253. The reversal of 342174251 is 152471243.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-342174251 is a prime.

It is a super-2 number, since 2×3421742512 = 234166436094822002, which contains 22 as substring.

Together with 342174253, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p18405506 and since 342174251 and 18405506 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 (342174253) 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, 171087125 + 171087126.

It is an arithmetic number, because the mean of its divisors is an integer number (171087126).

Almost surely, 2342174251 is an apocalyptic number.

342174251 is a deficient number, since it is larger than the sum of its proper divisors (1).

342174251 is an equidigital number, since it uses as much as digits as its factorization.

342174251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 342174251 is about 18497.9526164384. The cubic root of 342174251 is about 699.4378146038.

The spelling of 342174251 in words is "three hundred forty-two million, one hundred seventy-four thousand, two hundred fifty-one".