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80379589 is a prime number
BaseRepresentation
bin1001100101001…
…11111011000101
312121020201001211
410302213323011
5131034121324
611550451421
71664133553
oct462477305
9177221054
1080379589
1141410414
1222b03b71
13138640b4
14a964bd3
1570cb294
hex4ca7ec5

80379589 has 2 divisors, whose sum is σ = 80379590. Its totient is φ = 80379588.

The previous prime is 80379581. The next prime is 80379601. The reversal of 80379589 is 98597308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61308900 + 19070689 = 7830^2 + 4367^2 .

It is a cyclic number.

It is not a de Polignac number, because 80379589 - 23 = 80379581 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80379581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40189794 + 40189795.

It is an arithmetic number, because the mean of its divisors is an integer number (40189795).

Almost surely, 280379589 is an apocalyptic number.

It is an amenable number.

80379589 is a deficient number, since it is larger than the sum of its proper divisors (1).

80379589 is an equidigital number, since it uses as much as digits as its factorization.

80379589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 80379589 is about 8965.4664686228. The cubic root of 80379589 is about 431.5673627225.

The spelling of 80379589 in words is "eighty million, three hundred seventy-nine thousand, five hundred eighty-nine".