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493261 = 2973233
BaseRepresentation
bin1111000011011001101
3221001121221
41320123031
5111241021
614323341
74123036
oct1703315
9831557
10493261
1130765a
121b9551
13143692
14cba8d
159b241
hex786cd

493261 has 8 divisors (see below), whose sum is σ = 519480. Its totient is φ = 467712.

The previous prime is 493249. The next prime is 493277. The reversal of 493261 is 162394.

It can be written as a sum of positive squares in 4 ways, for example, as 37636 + 455625 = 194^2 + 675^2 .

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

It is not a de Polignac number, because 493261 - 27 = 493133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001 + ... + 2233.

It is an arithmetic number, because the mean of its divisors is an integer number (64935).

2493261 is an apocalyptic number.

It is an amenable number.

493261 is a deficient number, since it is larger than the sum of its proper divisors (26219).

493261 is a wasteful number, since it uses less digits than its factorization.

493261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335.

The product of its digits is 1296, while the sum is 25.

The square root of 493261 is about 702.3254231480. The cubic root of 493261 is about 79.0118552950.

The spelling of 493261 in words is "four hundred ninety-three thousand, two hundred sixty-one".

Divisors: 1 29 73 233 2117 6757 17009 493261