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2580493 is a prime number
BaseRepresentation
bin1001110110000000001101
311212002202211
421312000031
51130033433
6131150421
730635206
oct11660015
94762684
102580493
111502843
12a45411
136c4726
144b25ad
1535e8cd
hex27600d

2580493 has 2 divisors, whose sum is σ = 2580494. Its totient is φ = 2580492.

The previous prime is 2580469. The next prime is 2580497. The reversal of 2580493 is 3940852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2064969 + 515524 = 1437^2 + 718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2580493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2580497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290246 + 1290247.

It is an arithmetic number, because the mean of its divisors is an integer number (1290247).

22580493 is an apocalyptic number.

It is an amenable number.

2580493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580493 is an equidigital number, since it uses as much as digits as its factorization.

2580493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2580493 is about 1606.3912972872. The cubic root of 2580493 is about 137.1621324491.

The spelling of 2580493 in words is "two million, five hundred eighty thousand, four hundred ninety-three".