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76930481 is a prime number
BaseRepresentation
bin1001001010111…
…01110110110001
312100202110210002
410211131312301
5124143233411
611344515345
71622620055
oct445356661
9170673702
1076930481
113a475011
122191bb55
1312c271c4
14a307c65
156b4933b
hex495ddb1

76930481 has 2 divisors, whose sum is σ = 76930482. Its totient is φ = 76930480.

The previous prime is 76930463. The next prime is 76930501. The reversal of 76930481 is 18403967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74995600 + 1934881 = 8660^2 + 1391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-76930481 is a prime.

It is a super-2 number, since 2×769304812 = 11836597813782722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (76930081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38465240 + 38465241.

It is an arithmetic number, because the mean of its divisors is an integer number (38465241).

Almost surely, 276930481 is an apocalyptic number.

It is an amenable number.

76930481 is a deficient number, since it is larger than the sum of its proper divisors (1).

76930481 is an equidigital number, since it uses as much as digits as its factorization.

76930481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 76930481 is about 8771.0022802414. The cubic root of 76930481 is about 425.3040150032.

The spelling of 76930481 in words is "seventy-six million, nine hundred thirty thousand, four hundred eighty-one".