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76143313 is a prime number
BaseRepresentation
bin1001000100111…
…01101011010001
312022021110222201
410202131223101
5123443041223
611320003201
71613131111
oct442355321
9168243881
1076143313
1139a87664
1221600501
1312a0cb1c
14a181041
156a40ead
hex489dad1

76143313 has 2 divisors, whose sum is σ = 76143314. Its totient is φ = 76143312.

The previous prime is 76143269. The next prime is 76143341. The reversal of 76143313 is 31334167.

It is a happy number.

It is an a-pointer prime, because the next prime (76143341) can be obtained adding 76143313 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52881984 + 23261329 = 7272^2 + 4823^2 .

It is an emirp because it is prime and its reverse (31334167) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-76143313 is a prime.

It is a super-2 number, since 2×761433132 = 11595608229231938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76143113) 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, 38071656 + 38071657.

It is an arithmetic number, because the mean of its divisors is an integer number (38071657).

Almost surely, 276143313 is an apocalyptic number.

It is an amenable number.

76143313 is a deficient number, since it is larger than the sum of its proper divisors (1).

76143313 is an equidigital number, since it uses as much as digits as its factorization.

76143313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 28.

The square root of 76143313 is about 8726.0135800949. The cubic root of 76143313 is about 423.8484406249.

The spelling of 76143313 in words is "seventy-six million, one hundred forty-three thousand, three hundred thirteen".