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26648701 is a prime number
BaseRepresentation
bin110010110101…
…0000001111101
31212010220010221
41211222001331
523310224301
62351101341
7442340002
oct145520175
955126127
1026648701
1114051622
128b11851
1356a0781
1437798a9
152515da1
hex196a07d

26648701 has 2 divisors, whose sum is σ = 26648702. Its totient is φ = 26648700.

The previous prime is 26648689. The next prime is 26648711. The reversal of 26648701 is 10784662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18232900 + 8415801 = 4270^2 + 2901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26648701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26648711) 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, 13324350 + 13324351.

It is an arithmetic number, because the mean of its divisors is an integer number (13324351).

Almost surely, 226648701 is an apocalyptic number.

It is an amenable number.

26648701 is a deficient number, since it is larger than the sum of its proper divisors (1).

26648701 is an equidigital number, since it uses as much as digits as its factorization.

26648701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 26648701 is about 5162.2379836656. The cubic root of 26648701 is about 298.6932085112.

The spelling of 26648701 in words is "twenty-six million, six hundred forty-eight thousand, seven hundred one".