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1840368204 = 223251121339
BaseRepresentation
bin110110110110001…
…1100101001001100
311202020222101120100
41231230130221030
512232113240304
6502341251100
763414604653
oct15554345114
94666871510
101840368204
11864926964
12434403a90
1323438538c
141365c419a
15ab87e439
hex6db1ca4c

1840368204 has 18 divisors (see below), whose sum is σ = 4652041940. Its totient is φ = 613456056.

The previous prime is 1840368203. The next prime is 1840368239. The reversal of 1840368204 is 4028630481.

1840368204 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 51121339 = 1840368204 / (1 + 8 + 4 + 0 + 3 + 6 + 8 + 2 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (1840368203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25560634 + ... + 25560705.

Almost surely, 21840368204 is an apocalyptic number.

It is an amenable number.

1840368204 is an abundant number, since it is smaller than the sum of its proper divisors (2811673736).

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

1840368204 is a wasteful number, since it uses less digits than its factorization.

1840368204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51121349 (or 51121344 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1840368204 is about 42899.5128643671. The cubic root of 1840368204 is about 1225.4668672224.

Adding to 1840368204 its reverse (4028630481), we get a palindrome (5868998685).

The spelling of 1840368204 in words is "one billion, eight hundred forty million, three hundred sixty-eight thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 51121339 102242678 153364017 204485356 306728034 460092051 613456068 920184102 1840368204