Search a number
-
+
2520530023 = 11273183903
BaseRepresentation
bin1001011000111100…
…0011110001100111
320111122211012011211
42112033003301213
520130223430043
61054035412251
7116314103014
oct22617036147
96448735154
102520530023
111083856570
125a4154087
13312269bab
1419ca7670b
15eb433a9d
hex963c3c67

2520530023 has 8 divisors (see below), whose sum is σ = 2750708736. Its totient is φ = 2290524600.

The previous prime is 2520530009. The next prime is 2520530027. The reversal of 2520530023 is 3200350252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2520530023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2520529976 and 2520530003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520530027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11911 + ... + 71992.

It is an arithmetic number, because the mean of its divisors is an integer number (343838592).

Almost surely, 22520530023 is an apocalyptic number.

2520530023 is a deficient number, since it is larger than the sum of its proper divisors (230178713).

2520530023 is a wasteful number, since it uses less digits than its factorization.

2520530023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86645.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2520530023 is about 50204.8804699304. The cubic root of 2520530023 is about 1360.9138219343.

Adding to 2520530023 its reverse (3200350252), we get a palindrome (5720880275).

The spelling of 2520530023 in words is "two billion, five hundred twenty million, five hundred thirty thousand, twenty-three".

Divisors: 1 11 2731 30041 83903 922933 229139093 2520530023