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2671045 = 513229109
BaseRepresentation
bin1010001100000111000101
312000200222121
422030013011
51140433140
6133125541
731463206
oct12140705
95020877
102671045
111564883
12a898b1
13726a00
144d75ad
1537b64a
hex28c1c5

2671045 has 24 divisors (see below), whose sum is σ = 3623400. Its totient is φ = 1886976.

The previous prime is 2671043. The next prime is 2671063. The reversal of 2671045 is 5401762.

It can be written as a sum of positive squares in 12 ways, for example, as 1216609 + 1454436 = 1103^2 + 1206^2 .

It is not a de Polignac number, because 2671045 - 21 = 2671043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2671043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24451 + ... + 24559.

It is an arithmetic number, because the mean of its divisors is an integer number (150975).

22671045 is an apocalyptic number.

It is an amenable number.

2671045 is a deficient number, since it is larger than the sum of its proper divisors (952355).

2671045 is a wasteful number, since it uses less digits than its factorization.

2671045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2671045 is about 1634.3331973622. Note that the first 3 decimals coincide. The cubic root of 2671045 is about 138.7481075412.

The spelling of 2671045 in words is "two million, six hundred seventy-one thousand, forty-five".

Divisors: 1 5 13 29 65 109 145 169 377 545 845 1417 1885 3161 4901 7085 15805 18421 24505 41093 92105 205465 534209 2671045