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1808034 = 232910391
BaseRepresentation
bin110111001011010100010
310101212011020
412321122202
5430324114
6102430310
721240144
oct6713242
93355136
101808034
111025448
12732396
134b3c57
14350c94
1525aaa9
hex1b96a2

1808034 has 16 divisors (see below), whose sum is σ = 3741120. Its totient is φ = 581840.

The previous prime is 1808033. The next prime is 1808039. The reversal of 1808034 is 4308081.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1807995 and 1808013.

It is not an unprimeable number, because it can be changed into a prime (1808033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5022 + ... + 5369.

It is an arithmetic number, because the mean of its divisors is an integer number (233820).

21808034 is an apocalyptic number.

1808034 is an abundant number, since it is smaller than the sum of its proper divisors (1933086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1808034 is a wasteful number, since it uses less digits than its factorization.

1808034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10425.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1808034 is about 1344.6315480458. The cubic root of 1808034 is about 121.8247506195.

The spelling of 1808034 in words is "one million, eight hundred eight thousand, thirty-four".

Divisors: 1 2 3 6 29 58 87 174 10391 20782 31173 62346 301339 602678 904017 1808034