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928993 = 13223239
BaseRepresentation
bin11100010110011100001
31202012100011
43202303201
5214211433
631524521
710616302
oct3426341
91665304
10928993
11584a6a
12389741
13266b00
141a27a9
151353cd
hexe2ce1

928993 has 12 divisors (see below), whose sum is σ = 1054080. Its totient is φ = 816816.

The previous prime is 928979. The next prime is 929003. The reversal of 928993 is 399829.

It is a happy number.

928993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-928993 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (928903) 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, 3768 + ... + 4006.

It is an arithmetic number, because the mean of its divisors is an integer number (87840).

2928993 is an apocalyptic number.

It is an amenable number.

928993 is a deficient number, since it is larger than the sum of its proper divisors (125087).

928993 is a wasteful number, since it uses less digits than its factorization.

928993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 275 counting only the distinct ones).

The product of its digits is 34992, while the sum is 40.

The square root of 928993 is about 963.8428295111. The cubic root of 928993 is about 97.5747574804.

The spelling of 928993 in words is "nine hundred twenty-eight thousand, nine hundred ninety-three".

Divisors: 1 13 23 169 239 299 3107 3887 5497 40391 71461 928993