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28014002 = 226895209
BaseRepresentation
bin110101011011…
…1010110110010
31221201020222122
41222313112302
524132422002
62440234242
7460054322
oct152672662
957636878
1028014002
11148a4375
12946b982
135a5b043
143a13282
1526d56a2
hex1ab75b2

28014002 has 8 divisors (see below), whose sum is σ = 42044700. Its totient is φ = 13999104.

The previous prime is 28014001. The next prime is 28014013. The reversal of 28014002 is 20041082.

It can be written as a sum of positive squares in 2 ways, for example, as 27994681 + 19321 = 5291^2 + 139^2 .

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 (28014001) 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, 2774 + ... + 7982.

Almost surely, 228014002 is an apocalyptic number.

28014002 is a deficient number, since it is larger than the sum of its proper divisors (14030698).

28014002 is a wasteful number, since it uses less digits than its factorization.

28014002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 28014002 is about 5292.8255214016. The cubic root of 28014002 is about 303.7095057987.

Adding to 28014002 its reverse (20041082), we get a palindrome (48055084).

The spelling of 28014002 in words is "twenty-eight million, fourteen thousand, two".

Divisors: 1 2 2689 5209 5378 10418 14007001 28014002