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490193 = 1144563
BaseRepresentation
bin1110111101011010001
3220220102022
41313223101
5111141233
614301225
74111064
oct1675321
9826368
10490193
11305320
121b7815
13142172
14ca8db
159a398
hex77ad1

490193 has 4 divisors (see below), whose sum is σ = 534768. Its totient is φ = 445620.

The previous prime is 490183. The next prime is 490201. The reversal of 490193 is 391094.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 490193 - 218 = 228049 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490193.

It is not an unprimeable number, because it can be changed into a prime (490103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22271 + ... + 22292.

It is an arithmetic number, because the mean of its divisors is an integer number (133692).

2490193 is an apocalyptic number.

It is an amenable number.

490193 is a deficient number, since it is larger than the sum of its proper divisors (44575).

490193 is a wasteful number, since it uses less digits than its factorization.

490193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44574.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 490193 is about 700.1378435708. The cubic root of 490193 is about 78.8477010267.

Subtracting from 490193 its reverse (391094), we obtain a palindrome (99099).

It can be divided in two parts, 4901 and 93, that added together give a palindrome (4994).

The spelling of 490193 in words is "four hundred ninety thousand, one hundred ninety-three".

Divisors: 1 11 44563 490193