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511340073 = 31011687591
BaseRepresentation
bin11110011110100…
…110111000101001
31022122011202201020
4132132212320221
52021400340243
6122423443053
715446214246
oct3636467051
91278152636
10511340073
11242702402
121232b6489
1381c258ba
144bca85cd
152ed58283
hex1e7a6e29

511340073 has 8 divisors (see below), whose sum is σ = 688537536. Its totient is φ = 337518000.

The previous prime is 511340041. The next prime is 511340087. The reversal of 511340073 is 370043115.

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

It is not a de Polignac number, because 511340073 - 25 = 511340041 is a prime.

It is a super-2 number, since 2×5113400732 = 522937340511290658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511340173) 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, 843493 + ... + 844098.

It is an arithmetic number, because the mean of its divisors is an integer number (86067192).

Almost surely, 2511340073 is an apocalyptic number.

It is an amenable number.

511340073 is a deficient number, since it is larger than the sum of its proper divisors (177197463).

511340073 is a wasteful number, since it uses less digits than its factorization.

511340073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687695.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 511340073 is about 22612.8298317570. The cubic root of 511340073 is about 799.6561402426.

Adding to 511340073 its reverse (370043115), we get a palindrome (881383188).

The spelling of 511340073 in words is "five hundred eleven million, three hundred forty thousand, seventy-three".

Divisors: 1 3 101 303 1687591 5062773 170446691 511340073