Search a number
-
+
2230552031 = 17131208943
BaseRepresentation
bin1000010011110011…
…1000010111011111
312202110011210011012
42010330320113133
514032010131111
61005200245435
7106163244101
oct20474702737
95673153135
102230552031
11a450a7834
1252301087b
1329716a996
14172351571
15d0c5448b
hex84f385df

2230552031 has 4 divisors (see below), whose sum is σ = 2361760992. Its totient is φ = 2099343072.

The previous prime is 2230552019. The next prime is 2230552061. The reversal of 2230552031 is 1302550322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2230552031 - 210 = 2230551007 is a prime.

It is a super-2 number, since 2×22305520312 = 9950724725996449922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2230551988 and 2230552006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230552061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65604455 + ... + 65604488.

It is an arithmetic number, because the mean of its divisors is an integer number (590440248).

Almost surely, 22230552031 is an apocalyptic number.

2230552031 is a deficient number, since it is larger than the sum of its proper divisors (131208961).

2230552031 is a wasteful number, since it uses less digits than its factorization.

2230552031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131208960.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2230552031 is about 47228.7204040084. The cubic root of 2230552031 is about 1306.5843522945.

The spelling of 2230552031 in words is "two billion, two hundred thirty million, five hundred fifty-two thousand, thirty-one".

Divisors: 1 17 131208943 2230552031