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26630801 is a prime number
BaseRepresentation
bin110010110010…
…1101010010001
31212002222120222
41211211222101
523304141201
62350442425
7442233551
oct145455221
955088528
1026630801
111403a12a
128b03415
135695592
143773161
15251091b
hex1965a91

26630801 has 2 divisors, whose sum is σ = 26630802. Its totient is φ = 26630800.

The previous prime is 26630797. The next prime is 26630819. The reversal of 26630801 is 10803662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21613201 + 5017600 = 4649^2 + 2240^2 .

It is a cyclic number.

It is not a de Polignac number, because 26630801 - 22 = 26630797 is a prime.

It is equal to p1661471 and since 26630801 and 1661471 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (26630881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13315400 + 13315401.

It is an arithmetic number, because the mean of its divisors is an integer number (13315401).

Almost surely, 226630801 is an apocalyptic number.

It is an amenable number.

26630801 is a deficient number, since it is larger than the sum of its proper divisors (1).

26630801 is an equidigital number, since it uses as much as digits as its factorization.

26630801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 26630801 is about 5160.5039482593. The cubic root of 26630801 is about 298.6263158699.

The spelling of 26630801 in words is "twenty-six million, six hundred thirty thousand, eight hundred one".