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490270 = 25114457
BaseRepresentation
bin1110111101100011110
3220220112011
41313230132
5111142040
614301434
74111234
oct1675436
9826464
10490270
11305390
121b787a
13142201
14ca954
159a3ea
hex77b1e

490270 has 16 divisors (see below), whose sum is σ = 962928. Its totient is φ = 178240.

The previous prime is 490267. The next prime is 490271. The reversal of 490270 is 72094.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490271) 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 7 ways as a sum of consecutive naturals, for example, 2119 + ... + 2338.

It is an arithmetic number, because the mean of its divisors is an integer number (60183).

2490270 is an apocalyptic number.

490270 is a deficient number, since it is larger than the sum of its proper divisors (472658).

490270 is a wasteful number, since it uses less digits than its factorization.

490270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 490270 is about 700.1928305831. The cubic root of 490270 is about 78.8518293021.

The spelling of 490270 in words is "four hundred ninety thousand, two hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 4457 8914 22285 44570 49027 98054 245135 490270