Search a number
-
+
80241111 = 34990631
BaseRepresentation
bin1001100100001…
…10000111010111
312120222200010000
410302012013113
5131020203421
611543502343
71663016046
oct462060727
9176880100
1080241111
1141326375
1222a579b3
1313816062
14a92a55d
1570a0226
hex4c861d7

80241111 has 10 divisors (see below), whose sum is σ = 119866472. Its totient is φ = 53494020.

The previous prime is 80241107. The next prime is 80241131. The reversal of 80241111 is 11114208.

It is not a de Polignac number, because 80241111 - 22 = 80241107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80241131) 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 in 9 ways as a sum of consecutive naturals, for example, 495235 + ... + 495396.

Almost surely, 280241111 is an apocalyptic number.

80241111 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

80241111 is a deficient number, since it is larger than the sum of its proper divisors (39625361).

80241111 is an equidigital number, since it uses as much as digits as its factorization.

80241111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990643 (or 990634 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 80241111 is about 8957.7402842458. The cubic root of 80241111 is about 431.3193854331.

Adding to 80241111 its reverse (11114208), we get a palindrome (91355319).

The spelling of 80241111 in words is "eighty million, two hundred forty-one thousand, one hundred eleven".

Divisors: 1 3 9 27 81 990631 2971893 8915679 26747037 80241111