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814385494 = 21331322519
BaseRepresentation
bin110000100010101…
…000100101010110
32002202102001212201
4300202220211112
53131440313434
6212451035114
726116106506
oct6042504526
92082361781
10814385494
1138877696a
121a889ba9a
13cc94b910
147a231a06
154b769614
hex308a8956

814385494 has 8 divisors (see below), whose sum is σ = 1315545840. Its totient is φ = 375870216.

The previous prime is 814385479. The next prime is 814385599. The reversal of 814385494 is 494583418.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15661234 + ... + 15661285.

It is an arithmetic number, because the mean of its divisors is an integer number (164443230).

Almost surely, 2814385494 is an apocalyptic number.

814385494 is a deficient number, since it is larger than the sum of its proper divisors (501160346).

814385494 is a wasteful number, since it uses less digits than its factorization.

814385494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31322534.

The product of its digits is 552960, while the sum is 46.

The square root of 814385494 is about 28537.4402145672. The cubic root of 814385494 is about 933.8490395162.

The spelling of 814385494 in words is "eight hundred fourteen million, three hundred eighty-five thousand, four hundred ninety-four".

Divisors: 1 2 13 26 31322519 62645038 407192747 814385494