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2144434 = 22936973
BaseRepresentation
bin1000001011100010110010
311000221121111
420023202302
51022110214
6113543534
724140665
oct10134262
94027544
102144434
111235166
12874baa
135a10c6
143db6dc
152c55c4
hex20b8b2

2144434 has 8 divisors (see below), whose sum is σ = 3327660. Its totient is φ = 1035216.

The previous prime is 2144419. The next prime is 2144437. The reversal of 2144434 is 4344412.

It can be written as a sum of positive squares in 2 ways, for example, as 2093809 + 50625 = 1447^2 + 225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2144437) 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, 18429 + ... + 18544.

22144434 is an apocalyptic number.

2144434 is a deficient number, since it is larger than the sum of its proper divisors (1183226).

2144434 is a wasteful number, since it uses less digits than its factorization.

2144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37004.

The product of its digits is 1536, while the sum is 22.

The square root of 2144434 is about 1464.3886096252. The cubic root of 2144434 is about 128.9548146134.

Subtracting from 2144434 its sum of digits (22), we obtain a palindrome (2144412).

Adding to 2144434 its reverse (4344412), we get a palindrome (6488846).

The spelling of 2144434 in words is "two million, one hundred forty-four thousand, four hundred thirty-four".

Divisors: 1 2 29 58 36973 73946 1072217 2144434