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803109343 = 3125906753
BaseRepresentation
bin101111110111100…
…111100111011111
32001222012011220111
4233313213213133
53121043444333
6211405230451
725621213441
oct5767474737
92058164814
10803109343
11382374a33
121a4b62427
13ca50123a
1478938491
154a78d4cd
hex2fde79df

803109343 has 4 divisors (see below), whose sum is σ = 829016128. Its totient is φ = 777202560.

The previous prime is 803109341. The next prime is 803109361. The reversal of 803109343 is 343901308.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 803109343 - 21 = 803109341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 25906753 = 803109343 / (8 + 0 + 3 + 1 + 0 + 9 + 3 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803109341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12953346 + ... + 12953407.

It is an arithmetic number, because the mean of its divisors is an integer number (207254032).

Almost surely, 2803109343 is an apocalyptic number.

803109343 is a deficient number, since it is larger than the sum of its proper divisors (25906785).

803109343 is a wasteful number, since it uses less digits than its factorization.

803109343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25906784.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 803109343 is about 28339.1838802743. The cubic root of 803109343 is about 929.5189028996.

The spelling of 803109343 in words is "eight hundred three million, one hundred nine thousand, three hundred forty-three".

Divisors: 1 31 25906753 803109343