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494210380 = 22540036173
BaseRepresentation
bin11101011101010…
…000110101001100
31021102221111012011
4131131100311030
52003004213010
6121012351004
715150501406
oct3535206514
91242844164
10494210380
11233a72634
12119615464
137b508aa1
14498c9b76
152d5c2a8a
hex1d750d4c

494210380 has 24 divisors (see below), whose sum is σ = 1038269232. Its totient is φ = 197602752.

The previous prime is 494210371. The next prime is 494210393. The reversal of 494210380 is 83012494.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76974 + ... + 83146.

It is an arithmetic number, because the mean of its divisors is an integer number (43261218).

Almost surely, 2494210380 is an apocalyptic number.

It is an amenable number.

494210380 is an abundant number, since it is smaller than the sum of its proper divisors (544058852).

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

494210380 is a wasteful number, since it uses less digits than its factorization.

494210380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10185 (or 10183 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 494210380 is about 22230.8429889647. The cubic root of 494210380 is about 790.6251420998.

The spelling of 494210380 in words is "four hundred ninety-four million, two hundred ten thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 4003 6173 8006 12346 16012 20015 24692 30865 40030 61730 80060 123460 24710519 49421038 98842076 123552595 247105190 494210380