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340530173 is a prime number
BaseRepresentation
bin10100010011000…
…001001111111101
3212201202201120122
4110103001033331
51144133431143
653442424325
711303313224
oct2423011775
9781681518
10340530173
111652473a5
12960620a5
135571ba59
1433323cbb
151ed67c68
hex144c13fd

340530173 has 2 divisors, whose sum is σ = 340530174. Its totient is φ = 340530172.

The previous prime is 340530149. The next prime is 340530251. The reversal of 340530173 is 371035043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195496324 + 145033849 = 13982^2 + 12043^2 .

It is a cyclic number.

It is not a de Polignac number, because 340530173 - 212 = 340526077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340530973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170265086 + 170265087.

It is an arithmetic number, because the mean of its divisors is an integer number (170265087).

Almost surely, 2340530173 is an apocalyptic number.

It is an amenable number.

340530173 is a deficient number, since it is larger than the sum of its proper divisors (1).

340530173 is an equidigital number, since it uses as much as digits as its factorization.

340530173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 340530173 is about 18453.4596485320. The cubic root of 340530173 is about 698.3157966267.

The spelling of 340530173 in words is "three hundred forty million, five hundred thirty thousand, one hundred seventy-three".