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26700229 is a prime number
BaseRepresentation
bin110010111011…
…0100111000101
31212020111211101
41211312213011
523313401404
62352140101
7442643143
oct145664705
955214741
1026700229
1114087306
128b37631
1356bb06a
143790593
1525262a4
hex19769c5

26700229 has 2 divisors, whose sum is σ = 26700230. Its totient is φ = 26700228.

The previous prime is 26700227. The next prime is 26700239. The reversal of 26700229 is 92200762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20930625 + 5769604 = 4575^2 + 2402^2 .

It is a cyclic number.

It is not a de Polignac number, because 26700229 - 21 = 26700227 is a prime.

Together with 26700227, it forms a pair of twin primes.

It is equal to p1665532 and since 26700229 and 1665532 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 26700197 and 26700206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26700227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13350114 + 13350115.

It is an arithmetic number, because the mean of its divisors is an integer number (13350115).

Almost surely, 226700229 is an apocalyptic number.

It is an amenable number.

26700229 is a deficient number, since it is larger than the sum of its proper divisors (1).

26700229 is an equidigital number, since it uses as much as digits as its factorization.

26700229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 26700229 is about 5167.2264320426. The cubic root of 26700229 is about 298.8856025572.

The spelling of 26700229 in words is "twenty-six million, seven hundred thousand, two hundred twenty-nine".