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28341043 = 238111903
BaseRepresentation
bin110110000011…
…1001100110011
31222022212121021
41230013030303
524223403133
62451240311
7462615643
oct154071463
958285537
1028341043
1114aa8055
1295a9097
135b43b63
143a9a523
15274c52d
hex1b07333

28341043 has 4 divisors (see below), whose sum is σ = 28355328. Its totient is φ = 28326760.

The previous prime is 28341031. The next prime is 28341077. The reversal of 28341043 is 34014382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28341043 - 221 = 26243891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28340999 and 28341017.

It is not an unprimeable number, because it can be changed into a prime (28341743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3571 + ... + 8332.

It is an arithmetic number, because the mean of its divisors is an integer number (7088832).

Almost surely, 228341043 is an apocalyptic number.

28341043 is a deficient number, since it is larger than the sum of its proper divisors (14285).

28341043 is a wasteful number, since it uses less digits than its factorization.

28341043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14284.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 28341043 is about 5323.6306220473. The cubic root of 28341043 is about 304.8867912734.

The spelling of 28341043 in words is "twenty-eight million, three hundred forty-one thousand, forty-three".

Divisors: 1 2381 11903 28341043