Search a number
-
+
80676313 is a prime number
BaseRepresentation
bin1001100111100…
…00010111011001
312121210210002121
410303300113121
5131123120223
612001101241
71666510624
oct463602731
9177723077
1080676313
11415a3343
1223027821
1313939183
14aa00dbb
15713915d
hex4cf05d9

80676313 has 2 divisors, whose sum is σ = 80676314. Its totient is φ = 80676312.

The previous prime is 80676307. The next prime is 80676359. The reversal of 80676313 is 31367608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55995289 + 24681024 = 7483^2 + 4968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80676313 is a prime.

It is not a weakly prime, because it can be changed into another prime (80674313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40338156 + 40338157.

It is an arithmetic number, because the mean of its divisors is an integer number (40338157).

Almost surely, 280676313 is an apocalyptic number.

It is an amenable number.

80676313 is a deficient number, since it is larger than the sum of its proper divisors (1).

80676313 is an equidigital number, since it uses as much as digits as its factorization.

80676313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 80676313 is about 8981.9993876642. Note that the first 3 decimals coincide. The cubic root of 80676313 is about 432.0977591546.

The spelling of 80676313 in words is "eighty million, six hundred seventy-six thousand, three hundred thirteen".