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999990353 is a prime number
BaseRepresentation
bin111011100110101…
…010010001010001
32120200122202212202
4323212222101101
54021444142403
6243121132545
733531530525
oct7346522121
92520582782
10999990353
1147351760a
1223aa8a155
1312c23598b
1496b47d85
155cbcd688
hex3b9aa451

999990353 has 2 divisors, whose sum is σ = 999990354. Its totient is φ = 999990352.

The previous prime is 999990347. The next prime is 999990359. The reversal of 999990353 is 353099999.

999990353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (999990347) and next prime (999990359).

It can be written as a sum of positive squares in only one way, i.e., 858665809 + 141324544 = 29303^2 + 11888^2 .

It is a cyclic number.

It is not a de Polignac number, because 999990353 - 26 = 999990289 is a prime.

It is not a weakly prime, because it can be changed into another prime (999990359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499995176 + 499995177.

It is an arithmetic number, because the mean of its divisors is an integer number (499995177).

Almost surely, 2999990353 is an apocalyptic number.

It is an amenable number.

999990353 is a deficient number, since it is larger than the sum of its proper divisors (1).

999990353 is an equidigital number, since it uses as much as digits as its factorization.

999990353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2657205, while the sum is 56.

The square root of 999990353 is about 31622.6240688530. The cubic root of 999990353 is about 999.9967843230.

The spelling of 999990353 in words is "nine hundred ninety-nine million, nine hundred ninety thousand, three hundred fifty-three".