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14444890 = 251444489
BaseRepresentation
bin110111000110…
…100101011010
31000011212122221
4313012211122
512144214030
61233334254
7233531245
oct67064532
930155587
1014444890
118176729
124a0738a
132cb9a95
141cc025c
151404e7a
hexdc695a

14444890 has 8 divisors (see below), whose sum is σ = 26000820. Its totient is φ = 5777952.

The previous prime is 14444867. The next prime is 14444909. The reversal of 14444890 is 9844441.

It can be written as a sum of positive squares in 2 ways, for example, as 13446889 + 998001 = 3667^2 + 999^2 .

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

It is a super-2 number, since 2×144448902 = 417309694224200, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 722235 + ... + 722254.

Almost surely, 214444890 is an apocalyptic number.

14444890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14444890 is a deficient number, since it is larger than the sum of its proper divisors (11555930).

14444890 is a wasteful number, since it uses less digits than its factorization.

14444890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444496.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 14444890 is about 3800.6433665894. The cubic root of 14444890 is about 243.5406231811.

The spelling of 14444890 in words is "fourteen million, four hundred forty-four thousand, eight hundred ninety".

Divisors: 1 2 5 10 1444489 2888978 7222445 14444890