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494808 = 23353389
BaseRepresentation
bin1111000110011011000
3221010202020
41320303120
5111313213
614334440
74130406
oct1706330
9833666
10494808
11308836
121ba420
131442b2
14cc476
159b923
hex78cd8

494808 has 32 divisors (see below), whose sum is σ = 1263600. Its totient is φ = 161408.

The previous prime is 494803. The next prime is 494843. The reversal of 494808 is 808494.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494803) by changing a digit.

494808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078 + ... + 1466.

2494808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631800).

494808 is an abundant number, since it is smaller than the sum of its proper divisors (768792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494808 is a wasteful number, since it uses less digits than its factorization.

494808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 494808 is about 703.4259022811. The cubic root of 494808 is about 79.0943699467.

The spelling of 494808 in words is "four hundred ninety-four thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 389 424 636 778 1167 1272 1556 2334 3112 4668 9336 20617 41234 61851 82468 123702 164936 247404 494808