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490330 = 2549033
BaseRepresentation
bin1110111101101011010
3220220121101
41313231122
5111142310
614302014
74111351
oct1675532
9826541
10490330
11305435
121b790a
13142249
14ca998
159a43a
hex77b5a

490330 has 8 divisors (see below), whose sum is σ = 882612. Its totient is φ = 196128.

The previous prime is 490313. The next prime is 490339. The reversal of 490330 is 33094.

It can be written as a sum of positive squares in 2 ways, for example, as 463761 + 26569 = 681^2 + 163^2 .

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

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 490298 and 490307.

It is not an unprimeable number, because it can be changed into a prime (490339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24507 + ... + 24526.

2490330 is an apocalyptic number.

490330 is a deficient number, since it is larger than the sum of its proper divisors (392282).

490330 is a wasteful number, since it uses less digits than its factorization.

490330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49040.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 490330 is about 700.2356746125. The cubic root of 490330 is about 78.8550458405.

It can be divided in two parts, 490 and 330, that added together give a triangular number (820 = T40).

The spelling of 490330 in words is "four hundred ninety thousand, three hundred thirty".

Divisors: 1 2 5 10 49033 98066 245165 490330