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80364044 = 22149134839
BaseRepresentation
bin1001100101001…
…00001000001100
312121012220202002
410302210020030
5131033122134
611550251432
71664040335
oct462441014
9177186662
1080364044
11413aa772
1222ab6b78
1313859cb7
14a95d28c
1570c687e
hex4ca420c

80364044 has 12 divisors (see below), whose sum is σ = 141582000. Its totient is φ = 39912048.

The previous prime is 80364043. The next prime is 80364079. The reversal of 80364044 is 44046308.

It is a junction number, because it is equal to n+sod(n) for n = 80363998 and 80364016.

It is not an unprimeable number, because it can be changed into a prime (80364041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66824 + ... + 68015.

It is an arithmetic number, because the mean of its divisors is an integer number (11798500).

Almost surely, 280364044 is an apocalyptic number.

It is an amenable number.

80364044 is a deficient number, since it is larger than the sum of its proper divisors (61217956).

80364044 is a wasteful number, since it uses less digits than its factorization.

80364044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134992 (or 134990 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 80364044 is about 8964.5994891016. The cubic root of 80364044 is about 431.5395399578.

The spelling of 80364044 in words is "eighty million, three hundred sixty-four thousand, forty-four".

Divisors: 1 2 4 149 298 596 134839 269678 539356 20091011 40182022 80364044