Search a number
-
+
80255801 is a prime number
BaseRepresentation
bin1001100100010…
…01101100111001
312121000102021002
410302021230321
5131021141201
611544054345
71663106633
oct462115471
9177012232
1080255801
114133640a
1222a643b5
131381c952
14a931a53
1570a476b
hex4c89b39

80255801 has 2 divisors, whose sum is σ = 80255802. Its totient is φ = 80255800.

The previous prime is 80255797. The next prime is 80255803. The reversal of 80255801 is 10855208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43033600 + 37222201 = 6560^2 + 6101^2 .

It is a cyclic number.

It is not a de Polignac number, because 80255801 - 22 = 80255797 is a prime.

Together with 80255803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80255803) 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, 40127900 + 40127901.

It is an arithmetic number, because the mean of its divisors is an integer number (40127901).

Almost surely, 280255801 is an apocalyptic number.

It is an amenable number.

80255801 is a deficient number, since it is larger than the sum of its proper divisors (1).

80255801 is an equidigital number, since it uses as much as digits as its factorization.

80255801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 80255801 is about 8958.5602079799. The cubic root of 80255801 is about 431.3457048392.

The spelling of 80255801 in words is "eighty million, two hundred fifty-five thousand, eight hundred one".