Search a number
-
+
494774880 = 25353141811
BaseRepresentation
bin11101011111011…
…010101001100000
31021111000011112120
4131133122221200
52003130244010
6121032424240
715155342235
oct3537325140
91244004476
10494774880
11234318766
12119848080
137b675a02
14499d578c
152d684e70
hex1d7daa60

494774880 has 192 divisors, whose sum is σ = 1650087936. Its totient is φ = 124416000.

The previous prime is 494774879. The next prime is 494774909. The reversal of 494774880 is 88477494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609675 + ... + 610485.

It is an arithmetic number, because the mean of its divisors is an integer number (8594208).

Almost surely, 2494774880 is an apocalyptic number.

494774880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494774880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825043968).

494774880 is an abundant number, since it is smaller than the sum of its proper divisors (1155313056).

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

494774880 is a wasteful number, since it uses less digits than its factorization.

494774880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 494774880 is about 22243.5356901730. The cubic root of 494774880 is about 790.9260517868.

The spelling of 494774880 in words is "four hundred ninety-four million, seven hundred seventy-four thousand, eight hundred eighty".