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2100130 = 25232397
BaseRepresentation
bin1000000000101110100010
310221200211121
420000232202
51014201010
6113002454
723564554
oct10005642
93850747
102100130
11120494a
1285342a
13586ba6
143c94d4
152b73da
hex200ba2

2100130 has 24 divisors (see below), whose sum is σ = 3961692. Its totient is φ = 801504.

The previous prime is 2100121. The next prime is 2100167. The reversal of 2100130 is 310012.

It can be written as a sum of positive squares in 2 ways, for example, as 2099601 + 529 = 1449^2 + 23^2 .

It is an unprimeable number.

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, 5092 + ... + 5488.

22100130 is an apocalyptic number.

2100130 is a deficient number, since it is larger than the sum of its proper divisors (1861562).

2100130 is a wasteful number, since it uses less digits than its factorization.

2100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 2100130 is about 1449.1825281861. The cubic root of 2100130 is about 128.0605589092.

Adding to 2100130 its reverse (310012), we get a palindrome (2410142).

The spelling of 2100130 in words is "two million, one hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 397 529 794 1058 1985 2645 3970 5290 9131 18262 45655 91310 210013 420026 1050065 2100130