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2748241 is a prime number
BaseRepresentation
bin1010011110111101010001
312011121212201
422132331101
51200420431
6134523201
732234236
oct12367521
95147781
102748241
111607881
12b06501
13752ba2
1451778d
15394461
hex29ef51

2748241 has 2 divisors, whose sum is σ = 2748242. Its totient is φ = 2748240.

The previous prime is 2748227. The next prime is 2748253. The reversal of 2748241 is 1428472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 9216 = 1655^2 + 96^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748241 - 27 = 2748113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2748281) 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, 1374120 + 1374121.

It is an arithmetic number, because the mean of its divisors is an integer number (1374121).

22748241 is an apocalyptic number.

It is an amenable number.

2748241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748241 is an equidigital number, since it uses as much as digits as its factorization.

2748241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 28.

The square root of 2748241 is about 1657.7819518863. The cubic root of 2748241 is about 140.0720887241.

It can be divided in two parts, 274 and 8241, that added together give a triangular number (8515 = T130).

The spelling of 2748241 in words is "two million, seven hundred forty-eight thousand, two hundred forty-one".