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26245493 = 291138009
BaseRepresentation
bin110010000011…
…1100101110101
31211101102001022
41210013211311
523204323433
62334310525
7436040321
oct144074565
954342038
1026245493
11138a669a
128958445
13558c0a1
1436b2981
152486698
hex1907975

26245493 has 8 divisors (see below), whose sum is σ = 27394200. Its totient is φ = 25113088.

The previous prime is 26245489. The next prime is 26245511. The reversal of 26245493 is 39454262.

It can be written as a sum of positive squares in 4 ways, for example, as 611524 + 25633969 = 782^2 + 5063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26245493 - 22 = 26245489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26245463) 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 7 ways as a sum of consecutive naturals, for example, 728 + ... + 7281.

It is an arithmetic number, because the mean of its divisors is an integer number (3424275).

Almost surely, 226245493 is an apocalyptic number.

It is an amenable number.

26245493 is a deficient number, since it is larger than the sum of its proper divisors (1148707).

26245493 is a wasteful number, since it uses less digits than its factorization.

26245493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151.

The product of its digits is 51840, while the sum is 35.

The square root of 26245493 is about 5123.0355259358. The cubic root of 26245493 is about 297.1790876130.

The spelling of 26245493 in words is "twenty-six million, two hundred forty-five thousand, four hundred ninety-three".

Divisors: 1 29 113 3277 8009 232261 905017 26245493