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340744079 = 1337370271
BaseRepresentation
bin10100010011110…
…101011110001111
3212202011121000002
4110103311132033
51144212302304
653451154515
711305163654
oct2423653617
9782147002
10340744079
11165383085
1296145a3b
1355795220
143337bc2b
151edab31e
hex144f578f

340744079 has 8 divisors (see below), whose sum is σ = 367944192. Its totient is φ = 313685280.

The previous prime is 340744069. The next prime is 340744091. The reversal of 340744079 is 970447043.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-340744079 is a prime.

It is a super-2 number, since 2×3407440792 = 232213054747116482, 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 (340744069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30287 + ... + 39984.

It is an arithmetic number, because the mean of its divisors is an integer number (45993024).

Almost surely, 2340744079 is an apocalyptic number.

340744079 is a deficient number, since it is larger than the sum of its proper divisors (27200113).

340744079 is a wasteful number, since it uses less digits than its factorization.

340744079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70657.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 340744079 is about 18459.2545624139. The cubic root of 340744079 is about 698.4619830587.

The spelling of 340744079 in words is "three hundred forty million, seven hundred forty-four thousand, seventy-nine".

Divisors: 1 13 373 4849 70271 913523 26211083 340744079