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2109060 = 2232511717
BaseRepresentation
bin1000000010111010000100
310222011002100
420002322010
51014442220
6113112100
723632602
oct10027204
93864070
102109060
111210628
12858630
1358ac85
143cc872
152b9d90
hex202e84

2109060 has 36 divisors (see below), whose sum is σ = 6398028. Its totient is φ = 562368.

The previous prime is 2109059. The next prime is 2109067. The reversal of 2109060 is 609012.

It can be written as a sum of positive squares in 2 ways, for example, as 254016 + 1855044 = 504^2 + 1362^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2109067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5679 + ... + 6038.

It is an arithmetic number, because the mean of its divisors is an integer number (177723).

22109060 is an apocalyptic number.

2109060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2109060 is an abundant number, since it is smaller than the sum of its proper divisors (4288968).

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

2109060 is a wasteful number, since it uses less digits than its factorization.

2109060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11732 (or 11727 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2109060 is about 1452.2603072452. The cubic root of 2109060 is about 128.2418117727.

The spelling of 2109060 in words is "two million, one hundred nine thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 11717 23434 35151 46868 58585 70302 105453 117170 140604 175755 210906 234340 351510 421812 527265 703020 1054530 2109060