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8183093 = 12236691
BaseRepresentation
bin11111001101110100110101
3120101202002112
4133031310311
54043324333
6451220405
7126361262
oct37156465
916352075
108183093
11468a096
1228a7705
131906889
141130269
15ab9948
hex7cdd35

8183093 has 4 divisors (see below), whose sum is σ = 8191008. Its totient is φ = 8175180.

The previous prime is 8183083. The next prime is 8183099. The reversal of 8183093 is 3903818.

8183093 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8183093 - 212 = 8178997 is a prime.

It is a super-2 number, since 2×81830932 = 133926022093298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8183099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2123 + ... + 4568.

It is an arithmetic number, because the mean of its divisors is an integer number (2047752).

Almost surely, 28183093 is an apocalyptic number.

It is an amenable number.

8183093 is a deficient number, since it is larger than the sum of its proper divisors (7915).

8183093 is a wasteful number, since it uses less digits than its factorization.

8183093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7914.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 8183093 is about 2860.6105991554. The cubic root of 8183093 is about 201.5142808318.

Subtracting from 8183093 its reverse (3903818), we obtain a triangular number (4279275 = T2925).

The spelling of 8183093 in words is "eight million, one hundred eighty-three thousand, ninety-three".

Divisors: 1 1223 6691 8183093