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2880080 = 245737139
BaseRepresentation
bin1010111111001001010000
312102022201122
422333021100
51214130310
6141421412
733323510
oct12771120
95368648
102880080
111697935
12b6a868
1379abb8
1454d840
153bd555
hex2bf250

2880080 has 80 divisors (see below), whose sum is σ = 7916160. Its totient is φ = 953856.

The previous prime is 2880071. The next prime is 2880109. The reversal of 2880080 is 800882.

2880080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20651 + ... + 20789.

It is an arithmetic number, because the mean of its divisors is an integer number (98952).

22880080 is an apocalyptic number.

2880080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2880080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3958080).

2880080 is an abundant number, since it is smaller than the sum of its proper divisors (5036080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2880080 is a wasteful number, since it uses less digits than its factorization.

2880080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 2880080 is about 1697.0798449101. The cubic root of 2880080 is about 142.2770495353.

It can be divided in two parts, 28 and 80080, that added together give a palindrome (80108).

The spelling of 2880080 in words is "two million, eight hundred eighty thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 37 40 56 70 74 80 112 139 140 148 185 259 278 280 296 370 518 556 560 592 695 740 973 1036 1112 1295 1390 1480 1946 2072 2224 2590 2780 2960 3892 4144 4865 5143 5180 5560 7784 9730 10286 10360 11120 15568 19460 20572 20720 25715 36001 38920 41144 51430 72002 77840 82288 102860 144004 180005 205720 288008 360010 411440 576016 720020 1440040 2880080