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28334593 = 723311747
BaseRepresentation
bin110110000010…
…1101000000001
31222022112202101
41230011220001
524223201333
62451150401
7462561100
oct154055001
958275671
1028334593
1114aa3221
1295a5401
135b40c41
143a98037
15274a67d
hex1b05a01

28334593 has 12 divisors (see below), whose sum is σ = 33079152. Its totient is φ = 24199560.

The previous prime is 28334591. The next prime is 28334599. The reversal of 28334593 is 39543382.

It is not a de Polignac number, because 28334593 - 21 = 28334591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28334591) 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, 15346 + ... + 17092.

It is an arithmetic number, because the mean of its divisors is an integer number (2756596).

Almost surely, 228334593 is an apocalyptic number.

It is an amenable number.

28334593 is a deficient number, since it is larger than the sum of its proper divisors (4744559).

28334593 is a wasteful number, since it uses less digits than its factorization.

28334593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092 (or 2085 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 28334593 is about 5323.0247979885. The cubic root of 28334593 is about 304.8636602850.

The spelling of 28334593 in words is "twenty-eight million, three hundred thirty-four thousand, five hundred ninety-three".

Divisors: 1 7 49 331 1747 2317 12229 16219 85603 578257 4047799 28334593