Search a number
-
+
80909092 = 22111838843
BaseRepresentation
bin1001101001010…
…01001100100100
312122020121102001
410310221030210
5131203042332
612010055044
72001500365
oct464511444
9178217361
1080909092
1141742220
122311a484
13139bb104
14aa61b6c
1571830e7
hex4d29324

80909092 has 12 divisors (see below), whose sum is σ = 154462896. Its totient is φ = 36776840.

The previous prime is 80909071. The next prime is 80909093. The reversal of 80909092 is 29090908.

It is not an unprimeable number, because it can be changed into a prime (80909093) 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 in 3 ways as a sum of consecutive naturals, for example, 919378 + ... + 919465.

It is an arithmetic number, because the mean of its divisors is an integer number (12871908).

Almost surely, 280909092 is an apocalyptic number.

It is an amenable number.

80909092 is a deficient number, since it is larger than the sum of its proper divisors (73553804).

80909092 is a wasteful number, since it uses less digits than its factorization.

80909092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838858 (or 1838856 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 80909092 is about 8994.9481377049. The cubic root of 80909092 is about 432.5129438028.

The spelling of 80909092 in words is "eighty million, nine hundred nine thousand, ninety-two".

Divisors: 1 2 4 11 22 44 1838843 3677686 7355372 20227273 40454546 80909092