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14639040 = 26325131723
BaseRepresentation
bin110111110101…
…111111000000
31000112201222200
4313311333000
512221422130
61241433200
7235300263
oct67657700
930481880
1014639040
118299589
124a9b800
133057270
141d30cda
151442760
hexdf5fc0

14639040 has 336 divisors, whose sum is σ = 59911488. Its totient is φ = 3244032.

The previous prime is 14639039. The next prime is 14639047. The reversal of 14639040 is 4093641.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 14638995 and 14639013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14639047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 636469 + ... + 636491.

It is an arithmetic number, because the mean of its divisors is an integer number (178308).

Almost surely, 214639040 is an apocalyptic number.

14639040 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 14639040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29955744).

14639040 is an abundant number, since it is smaller than the sum of its proper divisors (45272448).

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

14639040 is a wasteful number, since it uses less digits than its factorization.

14639040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 14639040 is about 3826.0998418755. The cubic root of 14639040 is about 244.6268928689.

The spelling of 14639040 in words is "fourteen million, six hundred thirty-nine thousand, forty".