Search a number
-
+
490458 = 23431901
BaseRepresentation
bin1110111101111011010
3220220210010
41313233122
5111143313
614302350
74111623
oct1675732
9826703
10490458
11305541
121b79b6
13142317
14caa4a
159a4c3
hex77bda

490458 has 16 divisors (see below), whose sum is σ = 1004256. Its totient is φ = 159600.

The previous prime is 490453. The next prime is 490459. The reversal of 490458 is 854094.

It is not an unprimeable number, because it can be changed into a prime (490453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693 + ... + 1208.

It is an arithmetic number, because the mean of its divisors is an integer number (62766).

2490458 is an apocalyptic number.

490458 is an abundant number, since it is smaller than the sum of its proper divisors (513798).

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

490458 is a wasteful number, since it uses less digits than its factorization.

490458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 490458 is about 700.3270664482. The cubic root of 490458 is about 78.8619069120.

The spelling of 490458 in words is "four hundred ninety thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 43 86 129 258 1901 3802 5703 11406 81743 163486 245229 490458