Search a number
-
+
2280800 = 25522851
BaseRepresentation
bin1000101100110101100000
311021212200002
420230311200
51040441200
6120515132
725246364
oct10546540
94255602
102280800
111318665
1291baa8
1361b1b2
144352a4
15300bd5
hex22cd60

2280800 has 36 divisors (see below), whose sum is σ = 5569956. Its totient is φ = 912000.

The previous prime is 2280767. The next prime is 2280823. The reversal of 2280800 is 80822.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (154721).

22280800 is an apocalyptic number.

2280800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2280800 is an abundant number, since it is smaller than the sum of its proper divisors (3289156).

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

2280800 is a wasteful number, since it uses less digits than its factorization.

2280800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2280800 is about 1510.2317702922. The cubic root of 2280800 is about 131.6322792927.

The spelling of 2280800 in words is "two million, two hundred eighty thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 2851 5702 11404 14255 22808 28510 45616 57020 71275 91232 114040 142550 228080 285100 456160 570200 1140400 2280800