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493649 = 13223127
BaseRepresentation
bin1111000100001010001
3221002011022
41320201101
5111244044
614325225
74124132
oct1704121
9832138
10493649
11307982
121b9815
13143900
14cbc89
159b3ee
hex78851

493649 has 12 divisors (see below), whose sum is σ = 562176. Its totient is φ = 432432.

The previous prime is 493643. The next prime is 493657. The reversal of 493649 is 946394.

It is a happy number.

It is not a de Polignac number, because 493649 - 28 = 493393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (493643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3824 + ... + 3950.

It is an arithmetic number, because the mean of its divisors is an integer number (46848).

2493649 is an apocalyptic number.

It is an amenable number.

493649 is a deficient number, since it is larger than the sum of its proper divisors (68527).

493649 is a wasteful number, since it uses less digits than its factorization.

493649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 163 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 493649 is about 702.6015940773. The cubic root of 493649 is about 79.0325668218.

The spelling of 493649 in words is "four hundred ninety-three thousand, six hundred forty-nine".