Search a number
-
+
76821083 is a prime number
BaseRepresentation
bin1001001010000…
…11001001011011
312100112220201022
410211003021123
5124131233313
611342313055
71621653113
oct445031133
9170486638
1076821083
113a3aa8a9
122188878b
1312bb9481
14a2ba043
156b26c08
hex494325b

76821083 has 2 divisors, whose sum is σ = 76821084. Its totient is φ = 76821082.

The previous prime is 76821071. The next prime is 76821097. The reversal of 76821083 is 38012867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76821083 - 28 = 76820827 is a prime.

It is not a weakly prime, because it can be changed into another prime (76821013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38410541 + 38410542.

It is an arithmetic number, because the mean of its divisors is an integer number (38410542).

Almost surely, 276821083 is an apocalyptic number.

76821083 is a deficient number, since it is larger than the sum of its proper divisors (1).

76821083 is an equidigital number, since it uses as much as digits as its factorization.

76821083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 76821083 is about 8764.7637161534. The cubic root of 76821083 is about 425.1023200009.

The spelling of 76821083 in words is "seventy-six million, eight hundred twenty-one thousand, eighty-three".