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814371380 = 225211192979
BaseRepresentation
bin110000100010100…
…101001000110100
32002202101100111222
4300202211020310
53131434341010
6212450445512
726116020404
oct6042451064
92082340458
10814371380
113887672a9
121a8893898
13cc945374
147a22a804
154b765355
hex308a5234

814371380 has 24 divisors (see below), whose sum is σ = 1718293920. Its totient is φ = 324203040.

The previous prime is 814371379. The next prime is 814371391. The reversal of 814371380 is 83173418.

It is a self number, because there is not a number n which added to its sum of digits gives 814371380.

It is a congruent number.

It is an unprimeable number.

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, 92270 + ... + 100709.

It is an arithmetic number, because the mean of its divisors is an integer number (71595580).

Almost surely, 2814371380 is an apocalyptic number.

It is an amenable number.

814371380 is an abundant number, since it is smaller than the sum of its proper divisors (903922540).

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

814371380 is a wasteful number, since it uses less digits than its factorization.

814371380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193199 (or 193197 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 814371380 is about 28537.1929243225. The cubic root of 814371380 is about 933.8436446830.

The spelling of 814371380 in words is "eight hundred fourteen million, three hundred seventy-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 4220 192979 385958 771916 964895 1929790 3859580 40718569 81437138 162874276 203592845 407185690 814371380