Search a number
-
+
80023897 is a prime number
BaseRepresentation
bin1001100010100…
…01000101011001
312120120122011001
410301101011121
5130441231042
611535105001
71661122552
oct461210531
9176518131
1080023897
1141198158
1222972161
131376b225
14a8b1329
15705abb7
hex4c51159

80023897 has 2 divisors, whose sum is σ = 80023898. Its totient is φ = 80023896.

The previous prime is 80023849. The next prime is 80023943. The reversal of 80023897 is 79832008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43771456 + 36252441 = 6616^2 + 6021^2 .

It is a cyclic number.

It is not a de Polignac number, because 80023897 - 211 = 80021849 is a prime.

It is not a weakly prime, because it can be changed into another prime (80023837) 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, 40011948 + 40011949.

It is an arithmetic number, because the mean of its divisors is an integer number (40011949).

Almost surely, 280023897 is an apocalyptic number.

It is an amenable number.

80023897 is a deficient number, since it is larger than the sum of its proper divisors (1).

80023897 is an equidigital number, since it uses as much as digits as its factorization.

80023897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 80023897 is about 8945.6076931643. The cubic root of 80023897 is about 430.9298375066.

The spelling of 80023897 in words is "eighty million, twenty-three thousand, eight hundred ninety-seven".