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803303140 = 22540165157
BaseRepresentation
bin101111111000010…
…110111011100100
32001222120000202011
4233320112323210
53121121200030
6211413324004
725622651443
oct5770267344
92058500664
10803303140
113824975a2
121a5036604
13ca56b503
1478988d5a
154a7cab2a
hex2fe16ee4

803303140 has 12 divisors (see below), whose sum is σ = 1686936636. Its totient is φ = 321321248.

The previous prime is 803303131. The next prime is 803303173. The reversal of 803303140 is 41303308.

It can be written as a sum of positive squares in 2 ways, for example, as 348419556 + 454883584 = 18666^2 + 21328^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20082559 + ... + 20082598.

It is an arithmetic number, because the mean of its divisors is an integer number (140578053).

Almost surely, 2803303140 is an apocalyptic number.

It is an amenable number.

803303140 is an abundant number, since it is smaller than the sum of its proper divisors (883633496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

803303140 is a wasteful number, since it uses less digits than its factorization.

803303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40165166 (or 40165164 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 803303140 is about 28342.6029150465. The cubic root of 803303140 is about 929.5936637810.

Adding to 803303140 its reverse (41303308), we get a palindrome (844606448).

The spelling of 803303140 in words is "eight hundred three million, three hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 40165157 80330314 160660628 200825785 401651570 803303140