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2130051 = 37119221
BaseRepresentation
bin1000001000000010000011
311000012212210
420020002003
51021130201
6113353203
724051030
oct10100203
94005783
102130051
111225380
12868803
135976b1
143d6387
152c11d6
hex208083

2130051 has 16 divisors (see below), whose sum is σ = 3541248. Its totient is φ = 1106400.

The previous prime is 2130047. The next prime is 2130061. The reversal of 2130051 is 1500312.

It is not a de Polignac number, because 2130051 - 22 = 2130047 is a prime.

2130051 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2130001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4380 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (221328).

22130051 is an apocalyptic number.

2130051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2130051 is a deficient number, since it is larger than the sum of its proper divisors (1411197).

2130051 is a wasteful number, since it uses less digits than its factorization.

2130051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9242.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2130051 is about 1459.4694241402. The cubic root of 2130051 is about 128.6658620166.

Adding to 2130051 its reverse (1500312), we get a palindrome (3630363).

The spelling of 2130051 in words is "two million, one hundred thirty thousand, fifty-one".

Divisors: 1 3 7 11 21 33 77 231 9221 27663 64547 101431 193641 304293 710017 2130051