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26550245 = 55310049
BaseRepresentation
bin110010101000…
…1111111100101
31211221220002102
41211101333211
523244101440
62345021445
7441446651
oct145217745
954856072
1026550245
1113a94657
128a84885
135667a07
143751a61
1524e6b15
hex1951fe5

26550245 has 4 divisors (see below), whose sum is σ = 31860300. Its totient is φ = 21240192.

The previous prime is 26550233. The next prime is 26550263. The reversal of 26550245 is 54205562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54205562 = 227102781.

It can be written as a sum of positive squares in 2 ways, for example, as 13235044 + 13315201 = 3638^2 + 3649^2 .

It is a cyclic number.

It is not a de Polignac number, because 26550245 - 210 = 26549221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2655020 + ... + 2655029.

It is an arithmetic number, because the mean of its divisors is an integer number (7965075).

Almost surely, 226550245 is an apocalyptic number.

It is an amenable number.

26550245 is a deficient number, since it is larger than the sum of its proper divisors (5310055).

26550245 is an equidigital number, since it uses as much as digits as its factorization.

26550245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310054.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 26550245 is about 5152.6929852263. The cubic root of 26550245 is about 298.3249050048.

The spelling of 26550245 in words is "twenty-six million, five hundred fifty thousand, two hundred forty-five".

Divisors: 1 5 5310049 26550245