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28096642 = 272006903
BaseRepresentation
bin110101100101…
…1100010000010
31221212110100101
41223023202002
524143043032
62442113014
7460550260
oct153134202
957773311
1028096642
1114950472
1294ab76a
135a89842
143a35430
1526eede7
hex1acb882

28096642 has 8 divisors (see below), whose sum is σ = 48165696. Its totient is φ = 12041412.

The previous prime is 28096637. The next prime is 28096643. The reversal of 28096642 is 24669082.

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 (28096643) 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, 1003438 + ... + 1003465.

It is an arithmetic number, because the mean of its divisors is an integer number (6020712).

Almost surely, 228096642 is an apocalyptic number.

28096642 is a deficient number, since it is larger than the sum of its proper divisors (20069054).

28096642 is a wasteful number, since it uses less digits than its factorization.

28096642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006912.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 28096642 is about 5300.6265667372. The cubic root of 28096642 is about 304.0078555796.

The spelling of 28096642 in words is "twenty-eight million, ninety-six thousand, six hundred forty-two".

Divisors: 1 2 7 14 2006903 4013806 14048321 28096642