Search a number
-
+
76949071 is a prime number
BaseRepresentation
bin1001001011000…
…10011001001111
312100210102021121
410211202121033
5124144332241
611345141411
71623025213
oct445423117
9170712247
1076949071
113a487a81
122192a867
1312c327c4
14a310943
156b4ead1
hex496264f

76949071 has 2 divisors, whose sum is σ = 76949072. Its totient is φ = 76949070.

The previous prime is 76949063. The next prime is 76949077. The reversal of 76949071 is 17094967.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17094967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76949071 - 23 = 76949063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76949077) 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 as a sum of consecutive naturals, namely, 38474535 + 38474536.

It is an arithmetic number, because the mean of its divisors is an integer number (38474536).

Almost surely, 276949071 is an apocalyptic number.

76949071 is a deficient number, since it is larger than the sum of its proper divisors (1).

76949071 is an equidigital number, since it uses as much as digits as its factorization.

76949071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 76949071 is about 8772.0619582855. The cubic root of 76949071 is about 425.3382700205.

The spelling of 76949071 in words is "seventy-six million, nine hundred forty-nine thousand, seventy-one".