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340310197 = 1917911063
BaseRepresentation
bin10100010010001…
…011100010110101
3212201100112211101
4110102023202311
51144104411242
653434010101
711301406003
oct2422134265
9781315741
10340310197
111651070a7
1295b76931
13556728a6
14332a7a73
151ed229b7
hex1448b8b5

340310197 has 4 divisors (see below), whose sum is σ = 358221280. Its totient is φ = 322399116.

The previous prime is 340310177. The next prime is 340310207. The reversal of 340310197 is 791013043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340310197 - 219 = 339785909 is a prime.

It is a super-2 number, since 2×3403101972 = 231622060364357618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340310167) 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 in 3 ways as a sum of consecutive naturals, for example, 8955513 + ... + 8955550.

It is an arithmetic number, because the mean of its divisors is an integer number (89555320).

Almost surely, 2340310197 is an apocalyptic number.

It is an amenable number.

340310197 is a deficient number, since it is larger than the sum of its proper divisors (17911083).

340310197 is a wasteful number, since it uses less digits than its factorization.

340310197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17911082.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 340310197 is about 18447.4983940913. The cubic root of 340310197 is about 698.1653980064.

The spelling of 340310197 in words is "three hundred forty million, three hundred ten thousand, one hundred ninety-seven".

Divisors: 1 19 17911063 340310197