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26812053 = 34331013
BaseRepresentation
bin110011001000…
…1111010010101
31212110012020000
41212101322111
523330441203
62354401513
7443620152
oct146217225
955405200
1026812053
1114153324
128b90299
135729c28
1437bd229
1525494a3
hex1991e95

26812053 has 10 divisors (see below), whose sum is σ = 40052694. Its totient is φ = 17874648.

The previous prime is 26812031. The next prime is 26812067. The reversal of 26812053 is 35021862.

It can be written as a sum of positive squares in only one way, i.e., 23794884 + 3017169 = 4878^2 + 1737^2 .

It is not a de Polignac number, because 26812053 - 29 = 26811541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26812003) 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 9 ways as a sum of consecutive naturals, for example, 165426 + ... + 165587.

Almost surely, 226812053 is an apocalyptic number.

It is an amenable number.

26812053 is a deficient number, since it is larger than the sum of its proper divisors (13240641).

26812053 is an equidigital number, since it uses as much as digits as its factorization.

26812053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331025 (or 331016 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 26812053 is about 5178.0356313954. The cubic root of 26812053 is about 299.3022785406.

It can be divided in two parts, 268 and 12053, that added together give a palindrome (12321).

The spelling of 26812053 in words is "twenty-six million, eight hundred twelve thousand, fifty-three".

Divisors: 1 3 9 27 81 331013 993039 2979117 8937351 26812053