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14050640 = 245175633
BaseRepresentation
bin110101100110…
…010101010000
3222102211212002
4311212111100
512044110030
61221053132
7230266652
oct65462520
928384762
1014050640
117a274aa
1248571a8
132bac4b6
141c1a6d2
151378245
hexd66550

14050640 has 20 divisors (see below), whose sum is σ = 32667924. Its totient is φ = 5620224.

The previous prime is 14050613. The next prime is 14050643. The reversal of 14050640 is 4605041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4857616 + 9193024 = 2204^2 + 3032^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14050643) 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 3 ways as a sum of consecutive naturals, for example, 87737 + ... + 87896.

Almost surely, 214050640 is an apocalyptic number.

14050640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14050640 is an abundant number, since it is smaller than the sum of its proper divisors (18617284).

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

14050640 is a wasteful number, since it uses less digits than its factorization.

14050640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175646 (or 175640 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 14050640 is about 3748.4183331106. The cubic root of 14050640 is about 241.3044710421.

Adding to 14050640 its reverse (4605041), we get a palindrome (18655681).

The spelling of 14050640 in words is "fourteen million, fifty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 175633 351266 702532 878165 1405064 1756330 2810128 3512660 7025320 14050640