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2643034 = 21321517
BaseRepresentation
bin1010000101010001011010
311222021120011
422011101122
51134034114
6132352134
731315432
oct12052132
94867504
102643034
111545829
12a7564a
13717034
144cb2c2
153731c4
hex28545a

2643034 has 4 divisors (see below), whose sum is σ = 3964554. Its totient is φ = 1321516.

The previous prime is 2643019. The next prime is 2643037. The reversal of 2643034 is 4303462.

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., 2480625 + 162409 = 1575^2 + 403^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 25 + 6 + 42 + 34 + 0 + 313 + 410 .

It is a junction number, because it is equal to n+sod(n) for n = 2642996 and 2643014.

It is not an unprimeable number, because it can be changed into a prime (2643037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660757 + ... + 660760.

22643034 is an apocalyptic number.

2643034 is a deficient number, since it is larger than the sum of its proper divisors (1321520).

2643034 is a wasteful number, since it uses less digits than its factorization.

2643034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321519.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2643034 is about 1625.7410617931. The cubic root of 2643034 is about 138.2613893412.

Adding to 2643034 its reverse (4303462), we get a palindrome (6946496).

The spelling of 2643034 in words is "two million, six hundred forty-three thousand, thirty-four".

Divisors: 1 2 1321517 2643034