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2648045 = 52332273
BaseRepresentation
bin1010000110011111101101
311222112102202
422012133231
51134214140
6132431245
731336151
oct12063755
94875382
102648045
111549574
12a78525
137193ba
144cd061
15374915
hex2867ed

2648045 has 8 divisors (see below), whose sum is σ = 3192696. Its totient is φ = 2108416.

The previous prime is 2648033. The next prime is 2648047. The reversal of 2648045 is 5408462.

It can be written as a sum of positive squares in 4 ways, for example, as 376996 + 2271049 = 614^2 + 1507^2 .

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 2648045 - 24 = 2648029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2647999 and 2648017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29 + ... + 2301.

It is an arithmetic number, because the mean of its divisors is an integer number (399087).

22648045 is an apocalyptic number.

It is an amenable number.

2648045 is a deficient number, since it is larger than the sum of its proper divisors (544651).

2648045 is a wasteful number, since it uses less digits than its factorization.

2648045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2648045 is about 1627.2814753447. The cubic root of 2648045 is about 138.3487120207.

The spelling of 2648045 in words is "two million, six hundred forty-eight thousand, forty-five".

Divisors: 1 5 233 1165 2273 11365 529609 2648045