Search a number
-
+
494247 = 313192329
BaseRepresentation
bin1111000101010100111
3221002222110
41320222213
5111303442
614332103
74125645
oct1705247
9832873
10494247
11308376
121ba033
13143c70
14cc195
159b69c
hex78aa7

494247 has 32 divisors (see below), whose sum is σ = 806400. Its totient is φ = 266112.

The previous prime is 494237. The next prime is 494251. The reversal of 494247 is 742494.

It is not a de Polignac number, because 494247 - 212 = 490151 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494247.

It is not an unprimeable number, because it can be changed into a prime (494237) 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 31 ways as a sum of consecutive naturals, for example, 17029 + ... + 17057.

It is an arithmetic number, because the mean of its divisors is an integer number (25200).

2494247 is an apocalyptic number.

494247 is a deficient number, since it is larger than the sum of its proper divisors (312153).

494247 is a wasteful number, since it uses less digits than its factorization.

494247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87.

The product of its digits is 8064, while the sum is 30.

The square root of 494247 is about 703.0270265075. The cubic root of 494247 is about 79.0644669531.

It can be divided in two parts, 494 and 247, that added together give a triangular number (741 = T38).

The spelling of 494247 in words is "four hundred ninety-four thousand, two hundred forty-seven".

Divisors: 1 3 13 19 23 29 39 57 69 87 247 299 377 437 551 667 741 897 1131 1311 1653 2001 5681 7163 8671 12673 17043 21489 26013 38019 164749 494247