Search a number
-
+
801079 is a prime number
BaseRepresentation
bin11000011100100110111
31111200212121
43003210313
5201113304
625100411
76544336
oct3034467
91450777
10801079
114a7954
12327707
13220816
1416bd1d
1510c554
hexc3937

801079 has 2 divisors, whose sum is σ = 801080. Its totient is φ = 801078.

The previous prime is 801077. The next prime is 801103. The reversal of 801079 is 970108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 801079 - 21 = 801077 is a prime.

Together with 801077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400539 + 400540.

It is an arithmetic number, because the mean of its divisors is an integer number (400540).

2801079 is an apocalyptic number.

801079 is a deficient number, since it is larger than the sum of its proper divisors (1).

801079 is an equidigital number, since it uses as much as digits as its factorization.

801079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 801079 is about 895.0301670894. The cubic root of 801079 is about 92.8734935423.

It can be divided in two parts, 80 and 1079, that multiplied together give a triangular number (86320 = T415).

The spelling of 801079 in words is "eight hundred one thousand, seventy-nine".