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803090 = 2580309
BaseRepresentation
bin11000100000100010010
31111210122002
43010010102
5201144330
625114002
76553241
oct3040422
91453562
10803090
114a9412
12328902
13221702
1416c958
1510ce45
hexc4112

803090 has 8 divisors (see below), whose sum is σ = 1445580. Its totient is φ = 321232.

The previous prime is 803087. The next prime is 803093. The reversal of 803090 is 90308.

It is an interprime number because it is at equal distance from previous prime (803087) and next prime (803093).

It can be written as a sum of positive squares in 2 ways, for example, as 790321 + 12769 = 889^2 + 113^2 .

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

It is not an unprimeable number, because it can be changed into a prime (803093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40145 + ... + 40164.

2803090 is an apocalyptic number.

803090 is a deficient number, since it is larger than the sum of its proper divisors (642490).

803090 is a wasteful number, since it uses less digits than its factorization.

803090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80316.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 803090 is about 896.1528887416. The cubic root of 803090 is about 92.9511440309.

Adding to 803090 its reverse (90308), we get a palindrome (893398).

The spelling of 803090 in words is "eight hundred three thousand, ninety".

Divisors: 1 2 5 10 80309 160618 401545 803090