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2130537 = 3312739
BaseRepresentation
bin1000001000001001101001
311000020112210
420020021221
51021134122
6113355333
724052323
oct10101151
94006483
102130537
111225782
12868b49
13597996
143d6613
152c140c
hex208269

2130537 has 12 divisors (see below), whose sum is σ = 2939280. Its totient is φ = 1372680.

The previous prime is 2130529. The next prime is 2130539. The reversal of 2130537 is 7350312.

It is a happy number.

It is not a de Polignac number, because 2130537 - 23 = 2130529 is a prime.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (2130539) 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, 2514 + ... + 3252.

It is an arithmetic number, because the mean of its divisors is an integer number (244940).

22130537 is an apocalyptic number.

It is an amenable number.

2130537 is a deficient number, since it is larger than the sum of its proper divisors (808743).

2130537 is an equidigital number, since it uses as much as digits as its factorization.

2130537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 2130537 is about 1459.6359135072. The cubic root of 2130537 is about 128.6756468925.

Adding to 2130537 its reverse (7350312), we get a palindrome (9480849).

The spelling of 2130537 in words is "two million, one hundred thirty thousand, five hundred thirty-seven".

Divisors: 1 3 31 93 739 961 2217 2883 22909 68727 710179 2130537