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2144443234 = 21072221617
BaseRepresentation
bin111111111010001…
…1001101101100010
312112110011000002111
41333310121231202
513342434140414
6552442505534
7104066316043
oct17764315542
95473130074
102144443234
11a00533a3a
124ba2052aa
1328237bc2b
14164b388ca
15c83e58c4
hex7fd19b62

2144443234 has 4 divisors (see below), whose sum is σ = 3216664854. Its totient is φ = 1072221616.

The previous prime is 2144443207. The next prime is 2144443241. The reversal of 2144443234 is 4323444412.

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

It can be written as a sum of positive squares in only one way, i.e., 1428613209 + 715830025 = 37797^2 + 26755^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2144443196 and 2144443205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536110807 + ... + 536110810.

Almost surely, 22144443234 is an apocalyptic number.

2144443234 is a deficient number, since it is larger than the sum of its proper divisors (1072221620).

2144443234 is a wasteful number, since it uses less digits than its factorization.

2144443234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072221619.

The product of its digits is 36864, while the sum is 31.

The square root of 2144443234 is about 46308.1335620429. The cubic root of 2144443234 is about 1289.5499970767.

Adding to 2144443234 its reverse (4323444412), we get a palindrome (6467887646).

The spelling of 2144443234 in words is "two billion, one hundred forty-four million, four hundred forty-three thousand, two hundred thirty-four".

Divisors: 1 2 1072221617 2144443234