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1808084 = 222232027
BaseRepresentation
bin110111001011011010100
310101212020002
412321123110
5430324314
6102430432
721240245
oct6713324
93355202
101808084
111025493
12732418
134b3c95
14350ccc
1525aade
hex1b96d4

1808084 has 12 divisors (see below), whose sum is σ = 3179904. Its totient is φ = 899544.

The previous prime is 1808083. The next prime is 1808089. The reversal of 1808084 is 4808081.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1808083) 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, 122 + ... + 1905.

It is an arithmetic number, because the mean of its divisors is an integer number (264992).

21808084 is an apocalyptic number.

It is an amenable number.

1808084 is a deficient number, since it is larger than the sum of its proper divisors (1371820).

1808084 is a wasteful number, since it uses less digits than its factorization.

1808084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254 (or 2252 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1808084 is about 1344.6501403711. The cubic root of 1808084 is about 121.8258736038.

The spelling of 1808084 in words is "one million, eight hundred eight thousand, eighty-four".

Divisors: 1 2 4 223 446 892 2027 4054 8108 452021 904042 1808084