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490307 = 1134339
BaseRepresentation
bin1110111101101000011
3220220120112
41313231003
5111142212
614301535
74111316
oct1675503
9826515
10490307
11305414
121b78ab
1314222c
14ca97d
159a422
hex77b43

490307 has 4 divisors (see below), whose sum is σ = 494760. Its totient is φ = 485856.

The previous prime is 490283. The next prime is 490309. The reversal of 490307 is 703094.

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 490307 - 210 = 489283 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490307.

It is not an unprimeable number, because it can be changed into a prime (490309) 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, 2057 + ... + 2282.

It is an arithmetic number, because the mean of its divisors is an integer number (123690).

2490307 is an apocalyptic number.

490307 is a deficient number, since it is larger than the sum of its proper divisors (4453).

490307 is a wasteful number, since it uses less digits than its factorization.

490307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 490307 is about 700.2192513777. The cubic root of 490307 is about 78.8538128651.

It can be divided in two parts, 490 and 307, that added together give a palindrome (797).

The spelling of 490307 in words is "four hundred ninety thousand, three hundred seven".

Divisors: 1 113 4339 490307