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490452 = 223231777
BaseRepresentation
bin1110111101111010100
3220220202220
41313233110
5111143302
614302340
74111614
oct1675724
9826686
10490452
11305536
121b79b0
13142311
14caa44
159a4bc
hex77bd4

490452 has 24 divisors (see below), whose sum is σ = 1194816. Its totient is φ = 156288.

The previous prime is 490421. The next prime is 490453. The reversal of 490452 is 254094.

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 (490453) 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, 613 + ... + 1164.

It is an arithmetic number, because the mean of its divisors is an integer number (49784).

2490452 is an apocalyptic number.

It is an amenable number.

490452 is an abundant number, since it is smaller than the sum of its proper divisors (704364).

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

490452 is a wasteful number, since it uses less digits than its factorization.

490452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 490452 is about 700.3227827224. The cubic root of 490452 is about 78.8615853260.

The spelling of 490452 in words is "four hundred ninety thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 1777 3554 5331 7108 10662 21324 40871 81742 122613 163484 245226 490452