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80564353 is a prime number
BaseRepresentation
bin1001100110101…
…01000010000001
312121121002111221
410303111002001
5131111024403
611554435041
71665533332
oct463250201
9177532457
1080564353
1141527211
1222b92a81
13138ca21c
14a9b2289
157115dbd
hex4cd5081

80564353 has 2 divisors, whose sum is σ = 80564354. Its totient is φ = 80564352.

The previous prime is 80564317. The next prime is 80564369. The reversal of 80564353 is 35346508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72880369 + 7683984 = 8537^2 + 2772^2 .

It is a cyclic number.

It is not a de Polignac number, because 80564353 - 29 = 80563841 is a prime.

It is a super-2 number, since 2×805643532 = 12981229948617218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80564383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40282176 + 40282177.

It is an arithmetic number, because the mean of its divisors is an integer number (40282177).

Almost surely, 280564353 is an apocalyptic number.

It is an amenable number.

80564353 is a deficient number, since it is larger than the sum of its proper divisors (1).

80564353 is an equidigital number, since it uses as much as digits as its factorization.

80564353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 80564353 is about 8975.7647585039. The cubic root of 80564353 is about 431.8977828146.

The spelling of 80564353 in words is "eighty million, five hundred sixty-four thousand, three hundred fifty-three".