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493161 = 3164387
BaseRepresentation
bin1111000011001101001
3221001111020
41320121221
5111240121
614323053
74122534
oct1703151
9831436
10493161
11307579
121b9489
13143616
14cba1b
159b1c6
hex78669

493161 has 4 divisors (see below), whose sum is σ = 657552. Its totient is φ = 328772.

The previous prime is 493159. The next prime is 493169. The reversal of 493161 is 161394.

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 493161 - 21 = 493159 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (493169) 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, 82191 + ... + 82196.

It is an arithmetic number, because the mean of its divisors is an integer number (164388).

2493161 is an apocalyptic number.

It is an amenable number.

493161 is a deficient number, since it is larger than the sum of its proper divisors (164391).

493161 is a wasteful number, since it uses less digits than its factorization.

493161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164390.

The product of its digits is 648, while the sum is 24.

The square root of 493161 is about 702.2542274704. The cubic root of 493161 is about 79.0065155124.

The spelling of 493161 in words is "four hundred ninety-three thousand, one hundred sixty-one".

Divisors: 1 3 164387 493161