Search a number
-
+
26983387 is a prime number
BaseRepresentation
bin110011011101…
…1101111011011
31212202220020201
41212323233123
523401432022
62402203031
7445232524
oct146735733
955686221
1026983387
1114260022
129053477
135789c02
14382584b
152580127
hex19bbbdb

26983387 has 2 divisors, whose sum is σ = 26983388. Its totient is φ = 26983386.

The previous prime is 26983381. The next prime is 26983391. The reversal of 26983387 is 78338962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26983387 - 27 = 26983259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26983381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13491693 + 13491694.

It is an arithmetic number, because the mean of its divisors is an integer number (13491694).

Almost surely, 226983387 is an apocalyptic number.

26983387 is a deficient number, since it is larger than the sum of its proper divisors (1).

26983387 is an equidigital number, since it uses as much as digits as its factorization.

26983387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 26983387 is about 5194.5535900595. The cubic root of 26983387 is about 299.9384577464.

The spelling of 26983387 in words is "twenty-six million, nine hundred eighty-three thousand, three hundred eighty-seven".