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80752691 is a prime number
BaseRepresentation
bin1001101000000…
…11000000110011
312121221122212102
410310003000303
5131133041231
612002451015
72000246405
oct464030063
9177848772
1080752691
1141645768
1223063a6b
1313964b76
14aa20b75
157151acb
hex4d03033

80752691 has 2 divisors, whose sum is σ = 80752692. Its totient is φ = 80752690.

The previous prime is 80752649. The next prime is 80752697. The reversal of 80752691 is 19625708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80752691 - 222 = 76558387 is a prime.

It is not a weakly prime, because it can be changed into another prime (80752697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40376345 + 40376346.

It is an arithmetic number, because the mean of its divisors is an integer number (40376346).

Almost surely, 280752691 is an apocalyptic number.

80752691 is a deficient number, since it is larger than the sum of its proper divisors (1).

80752691 is an equidigital number, since it uses as much as digits as its factorization.

80752691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 80752691 is about 8986.2501078036. The cubic root of 80752691 is about 432.2340748921.

The spelling of 80752691 in words is "eighty million, seven hundred fifty-two thousand, six hundred ninety-one".