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28010326 = 214005163
BaseRepresentation
bin110101011011…
…0011101010110
31221201001221111
41222312131112
524132312301
62440205234
7460040521
oct152663526
957631844
1028010326
11148a1633
12946981a
135a59476
143a11bb8
1526d4551
hex1ab6756

28010326 has 4 divisors (see below), whose sum is σ = 42015492. Its totient is φ = 14005162.

The previous prime is 28010321. The next prime is 28010363. The reversal of 28010326 is 62301082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62301082 = 231150541.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28010297 and 28010306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28010321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7002580 + ... + 7002583.

It is an arithmetic number, because the mean of its divisors is an integer number (10503873).

Almost surely, 228010326 is an apocalyptic number.

28010326 is a deficient number, since it is larger than the sum of its proper divisors (14005166).

28010326 is a wasteful number, since it uses less digits than its factorization.

28010326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14005165.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 28010326 is about 5292.4782474754. The cubic root of 28010326 is about 303.6962209542.

The spelling of 28010326 in words is "twenty-eight million, ten thousand, three hundred twenty-six".

Divisors: 1 2 14005163 28010326