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6540914 = 23270457
BaseRepresentation
bin11000111100111001110010
3110022022110002
4120330321302
53133302124
6352110002
7106411502
oct30747162
913268402
106540914
113768316
122235302
131480283
14c23a02
158930ae
hex63ce72

6540914 has 4 divisors (see below), whose sum is σ = 9811374. Its totient is φ = 3270456.

The previous prime is 6540913. The next prime is 6540949. The reversal of 6540914 is 4190456.

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., 4481689 + 2059225 = 2117^2 + 1435^2 .

It is not an unprimeable number, because it can be changed into a prime (6540913) 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 as a sum of consecutive naturals, namely, 1635227 + ... + 1635230.

Almost surely, 26540914 is an apocalyptic number.

6540914 is a deficient number, since it is larger than the sum of its proper divisors (3270460).

6540914 is a wasteful number, since it uses less digits than its factorization.

6540914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270459.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6540914 is about 2557.5210654069. The cubic root of 6540914 is about 187.0163082615.

The spelling of 6540914 in words is "six million, five hundred forty thousand, nine hundred fourteen".

Divisors: 1 2 3270457 6540914