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2244400141 = 2861784481
BaseRepresentation
bin1000010111000110…
…1101010000001101
312210102020100012011
42011301231100031
514044031301031
61010413141221
7106422041434
oct20561552015
95712210164
102244400141
11a519a6055
1252778a811
13299ca8c29
1417411811b
15d208c6b1
hex85c6d40d

2244400141 has 4 divisors (see below), whose sum is σ = 2245187484. Its totient is φ = 2243612800.

The previous prime is 2244400139. The next prime is 2244400157. The reversal of 2244400141 is 1410044422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1862354025 + 382046116 = 43155^2 + 19546^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244400141 - 21 = 2244400139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244403141) 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, 389380 + ... + 395101.

It is an arithmetic number, because the mean of its divisors is an integer number (561296871).

Almost surely, 22244400141 is an apocalyptic number.

It is an amenable number.

2244400141 is a deficient number, since it is larger than the sum of its proper divisors (787343).

2244400141 is an equidigital number, since it uses as much as digits as its factorization.

2244400141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787342.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2244400141 is about 47375.1004326112. The cubic root of 2244400141 is about 1309.2826990080.

Adding to 2244400141 its reverse (1410044422), we get a palindrome (3654444563).

The spelling of 2244400141 in words is "two billion, two hundred forty-four million, four hundred thousand, one hundred forty-one".

Divisors: 1 2861 784481 2244400141