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1838200382 = 22087440393
BaseRepresentation
bin110110110010000…
…1011011000111110
311202002220020212122
41231210023120332
512231034403012
6502223002542
763360305534
oct15544133076
94662806778
101838200382
11863686177
12433739452
13233aa6745
141361bc154
15ab5a1e72
hex6d90b63e

1838200382 has 8 divisors (see below), whose sum is σ = 2758628016. Its totient is φ = 918657712.

The previous prime is 1838200381. The next prime is 1838200417. The reversal of 1838200382 is 2830028381.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838200381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216023 + ... + 224370.

It is an arithmetic number, because the mean of its divisors is an integer number (344828502).

Almost surely, 21838200382 is an apocalyptic number.

1838200382 is a deficient number, since it is larger than the sum of its proper divisors (920427634).

1838200382 is a wasteful number, since it uses less digits than its factorization.

1838200382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442482.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1838200382 is about 42874.2391419370. The cubic root of 1838200382 is about 1224.9855074226.

The spelling of 1838200382 in words is "one billion, eight hundred thirty-eight million, two hundred thousand, three hundred eighty-two".

Divisors: 1 2 2087 4174 440393 880786 919100191 1838200382