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14489280 = 263451343
BaseRepresentation
bin110111010001…
…011011000000
31000021010120000
4313101123000
512202124110
61234320000
7234104541
oct67213300
930233500
1014489280
1181a7013
124a29000
133004050
141cd24c8
1514131c0
hexdd16c0

14489280 has 280 divisors, whose sum is σ = 56796432. Its totient is φ = 3483648.

The previous prime is 14489263. The next prime is 14489281. The reversal of 14489280 is 8298441.

14489280 = T13 + T14 + ... + T442.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (14489281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 336939 + ... + 336981.

Almost surely, 214489280 is an apocalyptic number.

14489280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14489280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28398216).

14489280 is an abundant number, since it is smaller than the sum of its proper divisors (42307152).

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

14489280 is a wasteful number, since it uses less digits than its factorization.

14489280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 14489280 is about 3806.4786877113. The cubic root of 14489280 is about 243.7898396419.

The spelling of 14489280 in words is "fourteen million, four hundred eighty-nine thousand, two hundred eighty".