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26081201 = 33017901
BaseRepresentation
bin110001101111…
…1011110110001
31211002001200102
41203133132301
523134044301
62331002145
7434454326
oct143373661
954061612
1026081201
11137a4213
128899355
135532383
14366cb4d
152452b6b
hex18df7b1

26081201 has 4 divisors (see below), whose sum is σ = 26092404. Its totient is φ = 26070000.

The previous prime is 26081161. The next prime is 26081219. The reversal of 26081201 is 10218062.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11458225 + 14622976 = 3385^2 + 3824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26081201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26081501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650 + ... + 7251.

It is an arithmetic number, because the mean of its divisors is an integer number (6523101).

Almost surely, 226081201 is an apocalyptic number.

It is an amenable number.

26081201 is a deficient number, since it is larger than the sum of its proper divisors (11203).

26081201 is an equidigital number, since it uses as much as digits as its factorization.

26081201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11202.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 26081201 is about 5106.9757195428. The cubic root of 26081201 is about 296.5576935678.

Adding to 26081201 its reverse (10218062), we get a palindrome (36299263).

The spelling of 26081201 in words is "twenty-six million, eighty-one thousand, two hundred one".

Divisors: 1 3301 7901 26081201