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2128095 = 325192131
BaseRepresentation
bin1000000111100011011111
311000010012100
420013203133
51021044340
6113340143
724042234
oct10074337
94003170
102128095
111223962
12867653
13596838
143d578b
152c0830
hex2078df

2128095 has 36 divisors (see below), whose sum is σ = 3922776. Its totient is φ = 1067040.

The previous prime is 2128067. The next prime is 2128099. The reversal of 2128095 is 5908212.

It is not a de Polignac number, because 2128095 - 26 = 2128031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128099) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16180 + ... + 16310.

It is an arithmetic number, because the mean of its divisors is an integer number (108966).

22128095 is an apocalyptic number.

2128095 is a deficient number, since it is larger than the sum of its proper divisors (1794681).

2128095 is a wasteful number, since it uses less digits than its factorization.

2128095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2128095 is about 1458.7991636959. The cubic root of 2128095 is about 128.6264658549.

The spelling of 2128095 in words is "two million, one hundred twenty-eight thousand, ninety-five".

Divisors: 1 3 5 9 15 19 45 57 95 131 171 285 361 393 655 855 1083 1179 1805 1965 2489 3249 5415 5895 7467 12445 16245 22401 37335 47291 112005 141873 236455 425619 709365 2128095