Search a number
-
+
2130007 = 11238419
BaseRepresentation
bin1000001000000001010111
311000012211011
420020001113
51021130012
6113353051
724050635
oct10100127
94005734
102130007
111225340
12868787
13597679
143d6355
152c11a7
hex208057

2130007 has 8 divisors (see below), whose sum is σ = 2424960. Its totient is φ = 1851960.

The previous prime is 2130001. The next prime is 2130013. The reversal of 2130007 is 7000312.

It is an interprime number because it is at equal distance from previous prime (2130001) and next prime (2130013).

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

It is not a de Polignac number, because 2130007 - 211 = 2127959 is a prime.

It is a Duffinian number.

It is a congruent 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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3957 + ... + 4462.

It is an arithmetic number, because the mean of its divisors is an integer number (303120).

22130007 is an apocalyptic number.

2130007 is a deficient number, since it is larger than the sum of its proper divisors (294953).

2130007 is a wasteful number, since it uses less digits than its factorization.

2130007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 2130007 is about 1459.4543500912. The cubic root of 2130007 is about 128.6649760696.

Adding to 2130007 its reverse (7000312), we get a palindrome (9130319).

The spelling of 2130007 in words is "two million, one hundred thirty thousand, seven".

Divisors: 1 11 23 253 8419 92609 193637 2130007