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340430971 = 2917965581
BaseRepresentation
bin10100010010101…
…001000001111011
3212201120200111111
4110102221001323
51144122242341
653440341151
711302421056
oct2422510173
9781520444
10340430971
11165189911
12960147b7
13556b585a
14332d9a9d
151ed48681
hex144a907b

340430971 has 8 divisors (see below), whose sum is σ = 354142800. Its totient is φ = 326850720.

The previous prime is 340430929. The next prime is 340430977. The reversal of 340430971 is 179034043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340430971 - 29 = 340430459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340430977) 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 7 ways as a sum of consecutive naturals, for example, 27600 + ... + 37981.

It is an arithmetic number, because the mean of its divisors is an integer number (44267850).

Almost surely, 2340430971 is an apocalyptic number.

340430971 is a deficient number, since it is larger than the sum of its proper divisors (13711829).

340430971 is a wasteful number, since it uses less digits than its factorization.

340430971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65789.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 340430971 is about 18450.7715556830. The cubic root of 340430971 is about 698.2479797760.

The spelling of 340430971 in words is "three hundred forty million, four hundred thirty thousand, nine hundred seventy-one".

Divisors: 1 29 179 5191 65581 1901849 11738999 340430971