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490268 = 2223732
BaseRepresentation
bin1110111101100011100
3220220112002
41313230130
5111142033
614301432
74111232
oct1675434
9826462
10490268
11305389
121b7878
131421cc
14ca952
159a3e8
hex77b1c

490268 has 18 divisors (see below), whose sum is σ = 907704. Its totient is φ = 231264.

The previous prime is 490267. The next prime is 490271. The reversal of 490268 is 862094.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 490268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6680 + ... + 6752.

It is an arithmetic number, because the mean of its divisors is an integer number (50428).

2490268 is an apocalyptic number.

It is an amenable number.

490268 is a deficient number, since it is larger than the sum of its proper divisors (417436).

490268 is a wasteful number, since it uses less digits than its factorization.

490268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 490268 is about 700.1914024037. The cubic root of 490268 is about 78.8517220796.

It can be divided in two parts, 4902 and 68, that multiplied together give a triangular number (333336 = T816).

The spelling of 490268 in words is "four hundred ninety thousand, two hundred sixty-eight".

Divisors: 1 2 4 23 46 73 92 146 292 1679 3358 5329 6716 10658 21316 122567 245134 490268