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814210940 = 22540710547
BaseRepresentation
bin110000100001111…
…101111101111100
32002202002012102202
4300201331331330
53131414222230
6212443211032
726114451554
oct6041757574
92082065382
10814210940
11388667804
121a8816a78
13cc8ba32a
147a1c8164
154b732a45
hex3087df7c

814210940 has 12 divisors (see below), whose sum is σ = 1709843016. Its totient is φ = 325684368.

The previous prime is 814210921. The next prime is 814210973. The reversal of 814210940 is 49012418.

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, 20355254 + ... + 20355293.

It is an arithmetic number, because the mean of its divisors is an integer number (142486918).

Almost surely, 2814210940 is an apocalyptic number.

It is an amenable number.

814210940 is an abundant number, since it is smaller than the sum of its proper divisors (895632076).

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

814210940 is a wasteful number, since it uses less digits than its factorization.

814210940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40710556 (or 40710554 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 814210940 is about 28534.3817175000. The cubic root of 814210940 is about 933.7823148777.

The spelling of 814210940 in words is "eight hundred fourteen million, two hundred ten thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 40710547 81421094 162842188 203552735 407105470 814210940