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2661079 is a prime number
BaseRepresentation
bin1010001001101011010111
312000012022111
422021223113
51140123304
6133011451
731422151
oct12115327
95005274
102661079
111558343
12a83b87
13722305
144d3ad1
15378704
hex289ad7

2661079 has 2 divisors, whose sum is σ = 2661080. Its totient is φ = 2661078.

The previous prime is 2661067. The next prime is 2661089. The reversal of 2661079 is 9701662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2661079 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2661079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2661089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330539 + 1330540.

It is an arithmetic number, because the mean of its divisors is an integer number (1330540).

22661079 is an apocalyptic number.

2661079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2661079 is an equidigital number, since it uses as much as digits as its factorization.

2661079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2661079 is about 1631.2813981653. The cubic root of 2661079 is about 138.5753303488.

The spelling of 2661079 in words is "two million, six hundred sixty-one thousand, seventy-nine".