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80309319 = 326769773
BaseRepresentation
bin1001100100101…
…10110001000111
312121010010200020
410302112301013
5131024344234
611545150223
71663421646
oct462266107
9177103606
1080309319
1141372642
1222a8b373
131383b10c
14a94735d
1570b5549
hex4c96c47

80309319 has 4 divisors (see below), whose sum is σ = 107079096. Its totient is φ = 53539544.

The previous prime is 80309303. The next prime is 80309321. The reversal of 80309319 is 91390308.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80309319 - 24 = 80309303 is a prime.

It is a super-2 number, since 2×803093192 = 12899173436487522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80309319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80349319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13384884 + ... + 13384889.

It is an arithmetic number, because the mean of its divisors is an integer number (26769774).

Almost surely, 280309319 is an apocalyptic number.

80309319 is a deficient number, since it is larger than the sum of its proper divisors (26769777).

80309319 is a wasteful number, since it uses less digits than its factorization.

80309319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26769776.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 80309319 is about 8961.5466857011. The cubic root of 80309319 is about 431.4415634552.

The spelling of 80309319 in words is "eighty million, three hundred nine thousand, three hundred nineteen".

Divisors: 1 3 26769773 80309319