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2101130 = 25210113
BaseRepresentation
bin1000000000111110001010
310221202012122
420000332022
51014214010
6113011242
723600513
oct10007612
93852178
102101130
111205679
12853b22
13587495
143c9a0a
152b7855
hex200f8a

2101130 has 8 divisors (see below), whose sum is σ = 3782052. Its totient is φ = 840448.

The previous prime is 2101129. The next prime is 2101139. The reversal of 2101130 is 311012.

It can be written as a sum of positive squares in 2 ways, for example, as 2076481 + 24649 = 1441^2 + 157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2101139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105047 + ... + 105066.

22101130 is an apocalyptic number.

2101130 is a deficient number, since it is larger than the sum of its proper divisors (1680922).

2101130 is a wasteful number, since it uses less digits than its factorization.

2101130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210120.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 2101130 is about 1449.5275092250. The cubic root of 2101130 is about 128.0808814985.

Adding to 2101130 its reverse (311012), we get a palindrome (2412142).

The spelling of 2101130 in words is "two million, one hundred one thousand, one hundred thirty".

Divisors: 1 2 5 10 210113 420226 1050565 2101130