Search a number
-
+
2130623 = 111091777
BaseRepresentation
bin1000001000001010111111
311000020122222
420020022333
51021134443
6113355555
724052505
oct10101277
94006588
102130623
111225850
12868bbb
13597a31
143d6675
152c1468
hex2082bf

2130623 has 8 divisors (see below), whose sum is σ = 2346960. Its totient is φ = 1918080.

The previous prime is 2130619. The next prime is 2130631. The reversal of 2130623 is 3260312.

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

It is a cyclic number.

It is not a de Polignac number, because 2130623 - 22 = 2130619 is a prime.

It is a d-powerful number, because it can be written as 215 + 1 + 35 + 0 + 63 + 221 + 35 .

It is a plaindrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311 + ... + 2087.

It is an arithmetic number, because the mean of its divisors is an integer number (293370).

22130623 is an apocalyptic number.

2130623 is a deficient number, since it is larger than the sum of its proper divisors (216337).

2130623 is a wasteful number, since it uses less digits than its factorization.

2130623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2130623 is about 1459.6653726111. The cubic root of 2130623 is about 128.6773782176.

Adding to 2130623 its reverse (3260312), we get a palindrome (5390935).

The spelling of 2130623 in words is "two million, one hundred thirty thousand, six hundred twenty-three".

Divisors: 1 11 109 1199 1777 19547 193693 2130623