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13444499 = 18174279
BaseRepresentation
bin110011010010…
…010110010011
3221022001101102
4303102112103
511420210444
61200055015
7222163535
oct63222623
927261342
1013444499
117653062
12460446b
132a29633
141add855
1512a884e
hexcd2593

13444499 has 4 divisors (see below), whose sum is σ = 13518960. Its totient is φ = 13370040.

The previous prime is 13444477. The next prime is 13444523. The reversal of 13444499 is 99444431.

It is a happy number.

13444499 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13444499 - 28 = 13444243 is a prime.

It is a super-2 number, since 2×134444992 = 361509106722002, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (13444469) 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, 36959 + ... + 37320.

It is an arithmetic number, because the mean of its divisors is an integer number (3379740).

Almost surely, 213444499 is an apocalyptic number.

13444499 is a deficient number, since it is larger than the sum of its proper divisors (74461).

13444499 is an equidigital number, since it uses as much as digits as its factorization.

13444499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74460.

The product of its digits is 62208, while the sum is 38.

The square root of 13444499 is about 3666.6741060531. The cubic root of 13444499 is about 237.7834046200.

The spelling of 13444499 in words is "thirteen million, four hundred forty-four thousand, four hundred ninety-nine".

Divisors: 1 181 74279 13444499