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840964914 = 23246720273
BaseRepresentation
bin110010001000000…
…001101100110010
32011121102102222200
4302020001230302
53210241334124
6215240444030
726561040516
oct6210015462
92147372880
10840964914
113a1780429
121b5779616
131052c699a
147d990146
154dc69bc9
hex32201b32

840964914 has 12 divisors (see below), whose sum is σ = 1822090686. Its totient is φ = 280321632.

The previous prime is 840964913. The next prime is 840964919. The reversal of 840964914 is 419469048.

It can be written as a sum of positive squares in only one way, i.e., 840014289 + 950625 = 28983^2 + 975^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 840964914.

It is not an unprimeable number, because it can be changed into a prime (840964913) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 23360119 + ... + 23360154.

Almost surely, 2840964914 is an apocalyptic number.

840964914 is an abundant number, since it is smaller than the sum of its proper divisors (981125772).

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

840964914 is a wasteful number, since it uses less digits than its factorization.

840964914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46720281 (or 46720278 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 840964914 is about 28999.3950626560. The cubic root of 840964914 is about 943.8999410668.

The spelling of 840964914 in words is "eight hundred forty million, nine hundred sixty-four thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 46720273 93440546 140160819 280321638 420482457 840964914