Search a number
-
+
490427 = 770061
BaseRepresentation
bin1110111101110111011
3220220201222
41313232323
5111143202
614302255
74111550
oct1675673
9826658
10490427
11305513
121b798b
131422c2
14caa27
159a4a2
hex77bbb

490427 has 4 divisors (see below), whose sum is σ = 560496. Its totient is φ = 420360.

The previous prime is 490421. The next prime is 490453. The reversal of 490427 is 724094.

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 490427 - 212 = 486331 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 490396 and 490405.

It is not an unprimeable number, because it can be changed into a prime (490421) 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, 35024 + ... + 35037.

It is an arithmetic number, because the mean of its divisors is an integer number (140124).

2490427 is an apocalyptic number.

490427 is a deficient number, since it is larger than the sum of its proper divisors (70069).

490427 is an equidigital number, since it uses as much as digits as its factorization.

490427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70068.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 490427 is about 700.3049335825. The cubic root of 490427 is about 78.8602453558.

The spelling of 490427 in words is "four hundred ninety thousand, four hundred twenty-seven".

Divisors: 1 7 70061 490427