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2231250445 = 5538419813
BaseRepresentation
bin1000010011111110…
…0010111000001101
312202111111021012101
42010333202320031
514032200003240
61005223235101
7106202213224
oct20477427015
95674437171
102231250445
11a45534536
125232a8a91
13297353848
14172493cbb
15d0d4139a
hex84fe2e0d

2231250445 has 8 divisors (see below), whose sum is σ = 2728019736. Its totient is φ = 1751320896.

The previous prime is 2231250431. The next prime is 2231250467. The reversal of 2231250445 is 5440521322.

2231250445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 91355364 + 2139895081 = 9558^2 + 46259^2 .

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 2231250445 - 213 = 2231242253 is a prime.

It is a super-3 number, since 3×22312504453 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4209642 + ... + 4210171.

It is an arithmetic number, because the mean of its divisors is an integer number (341002467).

Almost surely, 22231250445 is an apocalyptic number.

It is an amenable number.

2231250445 is a deficient number, since it is larger than the sum of its proper divisors (496769291).

2231250445 is an equidigital number, since it uses as much as digits as its factorization.

2231250445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8419871.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2231250445 is about 47236.1137796072. The cubic root of 2231250445 is about 1306.7207074157.

Adding to 2231250445 its reverse (5440521322), we get a palindrome (7671771767).

The spelling of 2231250445 in words is "two billion, two hundred thirty-one million, two hundred fifty thousand, four hundred forty-five".

Divisors: 1 5 53 265 8419813 42099065 446250089 2231250445