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1800384834 = 23300064139
BaseRepresentation
bin110101101001111…
…1011000101000010
311122110202000200210
41223103323011002
512141344303314
6454352254550
762421006243
oct15323730502
94573660623
101800384834
118442a7856
12422b41456
13228cc6291
14131176cca
15a80d2559
hex6b4fb142

1800384834 has 8 divisors (see below), whose sum is σ = 3600769680. Its totient is φ = 600128276.

The previous prime is 1800384829. The next prime is 1800384899. The reversal of 1800384834 is 4384830081.

1800384834 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

1800384834 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1800384792 and 1800384801.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150032064 + ... + 150032075.

It is an arithmetic number, because the mean of its divisors is an integer number (450096210).

Almost surely, 21800384834 is an apocalyptic number.

1800384834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1800384834 is a wasteful number, since it uses less digits than its factorization.

1800384834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300064144.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 1800384834 is about 42430.9419409940. The cubic root of 1800384834 is about 1216.5270832382.

The spelling of 1800384834 in words is "one billion, eight hundred million, three hundred eighty-four thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 300064139 600128278 900192417 1800384834