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26330401 = 108724223
BaseRepresentation
bin110010001110…
…0010100100001
31211112201112001
41210130110201
523220033101
62340204001
7436543006
oct144342441
954481461
1026330401
1113954469
128999601
1355bb926
1436d58ad
1524a1901
hex191c521

26330401 has 4 divisors (see below), whose sum is σ = 26355712. Its totient is φ = 26305092.

The previous prime is 26330393. The next prime is 26330407. The reversal of 26330401 is 10403362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10403362 = 25201681.

It is a cyclic number.

It is not a de Polignac number, because 26330401 - 23 = 26330393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26330407) 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, 11025 + ... + 13198.

It is an arithmetic number, because the mean of its divisors is an integer number (6588928).

Almost surely, 226330401 is an apocalyptic number.

It is an amenable number.

26330401 is a deficient number, since it is larger than the sum of its proper divisors (25311).

26330401 is a wasteful number, since it uses less digits than its factorization.

26330401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25310.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 26330401 is about 5131.3157182150. The cubic root of 26330401 is about 297.4992152134.

Adding to 26330401 its reverse (10403362), we get a palindrome (36733763).

The spelling of 26330401 in words is "twenty-six million, three hundred thirty thousand, four hundred one".

Divisors: 1 1087 24223 26330401