Search a number
-
+
80366444 = 2253379087
BaseRepresentation
bin1001100101001…
…00101101101100
312121020001000222
410302210231230
5131033211234
611550310512
71664050334
oct462445554
9177201028
1080366444
1141401554
1222ab8438
131385b112
14a9600c4
1570c742e
hex4ca4b6c

80366444 has 12 divisors (see below), whose sum is σ = 143295264. Its totient is φ = 39424944.

The previous prime is 80366431. The next prime is 80366449. The reversal of 80366444 is 44466308.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80366449) 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 3 ways as a sum of consecutive naturals, for example, 189332 + ... + 189755.

It is an arithmetic number, because the mean of its divisors is an integer number (11941272).

Almost surely, 280366444 is an apocalyptic number.

It is an amenable number.

80366444 is a deficient number, since it is larger than the sum of its proper divisors (62928820).

80366444 is a wasteful number, since it uses less digits than its factorization.

80366444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379144 (or 379142 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 80366444 is about 8964.7333479585. The cubic root of 80366444 is about 431.5438357619.

The spelling of 80366444 in words is "eighty million, three hundred sixty-six thousand, four hundred forty-four".

Divisors: 1 2 4 53 106 212 379087 758174 1516348 20091611 40183222 80366444