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2021106 = 231917729
BaseRepresentation
bin111101101011011110010
310210200102210
413231123302
51004133411
6111152550
723115303
oct7553362
93720383
102021106
11116053a
12815756
13559c29
143a87aa
1529dca6
hex1ed6f2

2021106 has 16 divisors (see below), whose sum is σ = 4255200. Its totient is φ = 638208.

The previous prime is 2021099. The next prime is 2021119. The reversal of 2021106 is 6011202.

It is a junction number, because it is equal to n+sod(n) for n = 2021091 and 2021100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8751 + ... + 8978.

It is an arithmetic number, because the mean of its divisors is an integer number (265950).

22021106 is an apocalyptic number.

2021106 is an abundant number, since it is smaller than the sum of its proper divisors (2234094).

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

2021106 is a wasteful number, since it uses less digits than its factorization.

2021106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17753.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2021106 is about 1421.6560765530. The cubic root of 2021106 is about 126.4337532702.

Adding to 2021106 its reverse (6011202), we get a palindrome (8032308).

The spelling of 2021106 in words is "two million, twenty-one thousand, one hundred six".

Divisors: 1 2 3 6 19 38 57 114 17729 35458 53187 106374 336851 673702 1010553 2021106