Search a number
-
+
26628467 = 29918223
BaseRepresentation
bin110010110010…
…1000101110011
31212002212101112
41211211011303
523304102332
62350423535
7442224005
oct145450563
955085345
1026628467
11140383a8
128b01bab
1356944b8
143772375
15250edb2
hex1965173

26628467 has 4 divisors (see below), whose sum is σ = 27546720. Its totient is φ = 25710216.

The previous prime is 26628463. The next prime is 26628491. The reversal of 26628467 is 76482662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76482662 = 238241331.

It is a cyclic number.

It is not a de Polignac number, because 26628467 - 22 = 26628463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26628463) 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 in 3 ways as a sum of consecutive naturals, for example, 459083 + ... + 459140.

It is an arithmetic number, because the mean of its divisors is an integer number (6886680).

Almost surely, 226628467 is an apocalyptic number.

26628467 is a deficient number, since it is larger than the sum of its proper divisors (918253).

26628467 is an equidigital number, since it uses as much as digits as its factorization.

26628467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918252.

The product of its digits is 193536, while the sum is 41.

The square root of 26628467 is about 5160.2778025994. The cubic root of 26628467 is about 298.6175914586.

The spelling of 26628467 in words is "twenty-six million, six hundred twenty-eight thousand, four hundred sixty-seven".

Divisors: 1 29 918223 26628467