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14008642 = 253132157
BaseRepresentation
bin110101011100…
…000101000010
3222100201020121
4311130011002
512041234032
61220130454
7230033344
oct65340502
928321217
1014008642
1179a899a
124836a2a
132b9634b
141c09294
15136aa97
hexd5c142

14008642 has 8 divisors (see below), whose sum is σ = 21409596. Its totient is φ = 6872112.

The previous prime is 14008619. The next prime is 14008649. The reversal of 14008642 is 24680041.

It can be written as a sum of positive squares in 2 ways, for example, as 13682601 + 326041 = 3699^2 + 571^2 .

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

It is not an unprimeable number, because it can be changed into a prime (14008649) 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, 65973 + ... + 66184.

Almost surely, 214008642 is an apocalyptic number.

14008642 is a deficient number, since it is larger than the sum of its proper divisors (7400954).

14008642 is a wasteful number, since it uses less digits than its factorization.

14008642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132212.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 14008642 is about 3742.8120444393. The cubic root of 14008642 is about 241.0638077633.

Adding to 14008642 its reverse (24680041), we get a palindrome (38688683).

The spelling of 14008642 in words is "fourteen million, eight thousand, six hundred forty-two".

Divisors: 1 2 53 106 132157 264314 7004321 14008642