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2250542231 = 7321506033
BaseRepresentation
bin1000011000100100…
…1000110010010111
312210211210101112222
42012021020302113
514102114322411
61011152532555
7106525202420
oct20611106227
95724711488
102250542231
11a55410763
1252985115b
1329b3497c2
14174c76647
15d28a24db
hex86248c97

2250542231 has 4 divisors (see below), whose sum is σ = 2572048272. Its totient is φ = 1929036192.

The previous prime is 2250542227. The next prime is 2250542237. The reversal of 2250542231 is 1322450522.

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 2250542231 - 22 = 2250542227 is a prime.

It is a super-2 number, since 2×22505422312 = 10129880667028914722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2250542231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250542237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160753010 + ... + 160753023.

It is an arithmetic number, because the mean of its divisors is an integer number (643012068).

Almost surely, 22250542231 is an apocalyptic number.

2250542231 is a deficient number, since it is larger than the sum of its proper divisors (321506041).

2250542231 is an equidigital number, since it uses as much as digits as its factorization.

2250542231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321506040.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2250542231 is about 47439.8801748065. The cubic root of 2250542231 is about 1310.4759514073.

Adding to 2250542231 its reverse (1322450522), we get a palindrome (3572992753).

The spelling of 2250542231 in words is "two billion, two hundred fifty million, five hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 7 321506033 2250542231