Search a number
-
+
494819 = 13172239
BaseRepresentation
bin1111000110011100011
3221010202122
41320303203
5111313234
614334455
74130423
oct1706343
9833678
10494819
11308846
121ba42b
131442c0
14cc483
159b92e
hex78ce3

494819 has 8 divisors (see below), whose sum is σ = 564480. Its totient is φ = 429696.

The previous prime is 494803. The next prime is 494843. The reversal of 494819 is 918494.

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

It is a cyclic number.

It is not a de Polignac number, because 494819 - 24 = 494803 is a prime.

It is a super-2 number, since 2×4948192 = 489691685522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (494849) 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, 899 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2494819 is an apocalyptic number.

494819 is a deficient number, since it is larger than the sum of its proper divisors (69661).

494819 is a wasteful number, since it uses less digits than its factorization.

494819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269.

The product of its digits is 10368, while the sum is 35.

The square root of 494819 is about 703.4337211138. The cubic root of 494819 is about 79.0949560539.

The spelling of 494819 in words is "four hundred ninety-four thousand, eight hundred nineteen".

Divisors: 1 13 17 221 2239 29107 38063 494819