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80322493 is a prime number
BaseRepresentation
bin1001100100110…
…01111110111101
312121010210202011
410302121332331
5131030304433
611545331221
71663505236
oct462317675
9177123664
1080322493
1141381529
1222a96b11
1313844104
14a94c08d
1570b93cd
hex4c99fbd

80322493 has 2 divisors, whose sum is σ = 80322494. Its totient is φ = 80322492.

The previous prime is 80322469. The next prime is 80322497. The reversal of 80322493 is 39422308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80245764 + 76729 = 8958^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 80322493 - 29 = 80321981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80322497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40161246 + 40161247.

It is an arithmetic number, because the mean of its divisors is an integer number (40161247).

Almost surely, 280322493 is an apocalyptic number.

It is an amenable number.

80322493 is a deficient number, since it is larger than the sum of its proper divisors (1).

80322493 is an equidigital number, since it uses as much as digits as its factorization.

80322493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 80322493 is about 8962.2816849282. The cubic root of 80322493 is about 431.4651534962.

The spelling of 80322493 in words is "eighty million, three hundred twenty-two thousand, four hundred ninety-three".