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818430314 = 21331478089
BaseRepresentation
bin110000110010000…
…100000101101010
32010001000120022212
4300302010011222
53134004232224
6213113445122
726165354132
oct6062040552
92101016285
10818430314
1138aa89899
121aa1107a2
131007369c0
147a9a5ac2
154bcb7d0e
hex30c8416a

818430314 has 8 divisors (see below), whose sum is σ = 1322079780. Its totient is φ = 377737056.

The previous prime is 818430313. The next prime is 818430323. The reversal of 818430314 is 413034818.

It can be written as a sum of positive squares in 2 ways, for example, as 796199089 + 22231225 = 28217^2 + 4715^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (818430311) 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 3 ways as a sum of consecutive naturals, for example, 15739019 + ... + 15739070.

Almost surely, 2818430314 is an apocalyptic number.

818430314 is a deficient number, since it is larger than the sum of its proper divisors (503649466).

818430314 is a wasteful number, since it uses less digits than its factorization.

818430314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31478104.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 818430314 is about 28608.2210911479. The cubic root of 818430314 is about 935.3925407159.

The spelling of 818430314 in words is "eight hundred eighteen million, four hundred thirty thousand, three hundred fourteen".

Divisors: 1 2 13 26 31478089 62956178 409215157 818430314