Search a number
-
+
2128300 = 225221283
BaseRepresentation
bin1000000111100110101100
311000010110221
420013212230
51021101200
6113341124
724042646
oct10074654
94003427
102128300
111224029
128677a4
13596965
143d5896
152c091a
hex2079ac

2128300 has 18 divisors (see below), whose sum is σ = 4618628. Its totient is φ = 851280.

The previous prime is 2128283. The next prime is 2128303. The reversal of 2128300 is 38212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2128303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10542 + ... + 10741.

22128300 is an apocalyptic number.

2128300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2128300 is an abundant number, since it is smaller than the sum of its proper divisors (2490328).

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

2128300 is a wasteful number, since it uses less digits than its factorization.

2128300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21297 (or 21290 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2128300 is about 1458.8694252742. The cubic root of 2128300 is about 128.6305959304.

The spelling of 2128300 in words is "two million, one hundred twenty-eight thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21283 42566 85132 106415 212830 425660 532075 1064150 2128300