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26561364 = 2232213447
BaseRepresentation
bin110010101010…
…0101101010100
31211222110100020
41211110231110
523244430424
62345145140
7441524244
oct145245524
954873306
1026561364
1113aa1a45
128a8b1b0
13566caab
143755b24
1524ea079
hex1954b54

26561364 has 12 divisors (see below), whose sum is σ = 61976544. Its totient is φ = 8853784.

The previous prime is 26561363. The next prime is 26561369. The reversal of 26561364 is 46316562.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26561363) 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, 1106712 + ... + 1106735.

It is an arithmetic number, because the mean of its divisors is an integer number (5164712).

Almost surely, 226561364 is an apocalyptic number.

It is an amenable number.

26561364 is an abundant number, since it is smaller than the sum of its proper divisors (35415180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26561364 is a wasteful number, since it uses less digits than its factorization.

26561364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213454 (or 2213452 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 26561364 is about 5153.7718226557. The cubic root of 26561364 is about 298.3665444407.

The spelling of 26561364 in words is "twenty-six million, five hundred sixty-one thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 2213447 4426894 6640341 8853788 13280682 26561364