Search a number
-
+
493117 = 3115907
BaseRepresentation
bin1111000011000111101
3221001102121
41320120331
5111234432
614322541
74122442
oct1703075
9831377
10493117
11307539
121b9451
131435b1
14cb9c9
159b197
hex7863d

493117 has 4 divisors (see below), whose sum is σ = 509056. Its totient is φ = 477180.

The previous prime is 493111. The next prime is 493121. The reversal of 493117 is 711394.

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, and also an emirpimes, since its reverse is a distinct semiprime: 711394 = 2355697.

It is a cyclic number.

It is not a de Polignac number, because 493117 - 23 = 493109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493091 and 493100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493111) 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 3 ways as a sum of consecutive naturals, for example, 7923 + ... + 7984.

It is an arithmetic number, because the mean of its divisors is an integer number (127264).

2493117 is an apocalyptic number.

It is an amenable number.

493117 is a deficient number, since it is larger than the sum of its proper divisors (15939).

493117 is a wasteful number, since it uses less digits than its factorization.

493117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15938.

The product of its digits is 756, while the sum is 25.

The square root of 493117 is about 702.2228990855. Note that the first 3 decimals coincide. The cubic root of 493117 is about 79.0041657794.

The spelling of 493117 in words is "four hundred ninety-three thousand, one hundred seventeen".

Divisors: 1 31 15907 493117