Search a number
-
+
2128108 = 22532027
BaseRepresentation
bin1000000111100011101100
311000010012211
420013203230
51021044413
6113340204
724042253
oct10074354
94003184
102128108
111223974
12867664
13596848
143d579a
152c083d
hex2078ec

2128108 has 6 divisors (see below), whose sum is σ = 3724196. Its totient is φ = 1064052.

The previous prime is 2128103. The next prime is 2128153. The reversal of 2128108 is 8018212.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2128103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266010 + ... + 266017.

22128108 is an apocalyptic number.

It is an amenable number.

2128108 is a deficient number, since it is larger than the sum of its proper divisors (1596088).

2128108 is a wasteful number, since it uses less digits than its factorization.

2128108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532031 (or 532029 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 2128108 is about 1458.8036194087. The cubic root of 2128108 is about 128.6267277700.

The spelling of 2128108 in words is "two million, one hundred twenty-eight thousand, one hundred eight".

Divisors: 1 2 4 532027 1064054 2128108