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28334411 = 71132317
BaseRepresentation
bin110110000010…
…1100101001011
31222022112111122
41230011211023
524223200121
62451145455
7462560420
oct154054513
958275448
1028334411
1114aa3076
1295a528b
135b40b31
143a97d47
15274a5ab
hex1b0594b

28334411 has 12 divisors (see below), whose sum is σ = 32774352. Its totient is φ = 23995776.

The previous prime is 28334407. The next prime is 28334417. The reversal of 28334411 is 11443382.

It is not a de Polignac number, because 28334411 - 22 = 28334407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28334417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89225 + ... + 89541.

It is an arithmetic number, because the mean of its divisors is an integer number (2731196).

Almost surely, 228334411 is an apocalyptic number.

28334411 is a deficient number, since it is larger than the sum of its proper divisors (4439941).

28334411 is an equidigital number, since it uses as much as digits as its factorization.

28334411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 437 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 28334411 is about 5323.0077024179. The cubic root of 28334411 is about 304.8630075457.

Adding to 28334411 its reverse (11443382), we get a palindrome (39777793).

The spelling of 28334411 in words is "twenty-eight million, three hundred thirty-four thousand, four hundred eleven".

Divisors: 1 7 113 317 791 2219 12769 35821 89383 250747 4047773 28334411