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803025331 = 7311000347
BaseRepresentation
bin101111110111010…
…011000110110011
32001222000220122221
4233313103012303
53121033302311
6211403341511
725620413503
oct5767230663
92058026587
10803025331
113823178a9
121a4b21897
13ca4a1c24
1478915a03
154a773671
hex2fdd31b3

803025331 has 4 divisors (see below), whose sum is σ = 814025752. Its totient is φ = 792024912.

The previous prime is 803025287. The next prime is 803025361. The reversal of 803025331 is 133520308.

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 803025331 - 221 = 800928179 is a prime.

It is a super-3 number, since 3×8030253313 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 803025296 and 803025305.

It is not an unprimeable number, because it can be changed into a prime (803025361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500101 + ... + 5500246.

It is an arithmetic number, because the mean of its divisors is an integer number (203506438).

Almost surely, 2803025331 is an apocalyptic number.

803025331 is a deficient number, since it is larger than the sum of its proper divisors (11000421).

803025331 is a wasteful number, since it uses less digits than its factorization.

803025331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000420.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 803025331 is about 28337.7015828737. The cubic root of 803025331 is about 929.4864899345.

Adding to 803025331 its reverse (133520308), we get a palindrome (936545639).

The spelling of 803025331 in words is "eight hundred three million, twenty-five thousand, three hundred thirty-one".

Divisors: 1 73 11000347 803025331