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383844042 = 23319374117
BaseRepresentation
bin10110111000001…
…111111011001010
3222202021022001000
4112320033323022
51241231002132
6102031035430
712340422561
oct2670177312
9882238030
10383844042
1118774078a
12a866bb76
13616a5a6a
1438d9abd8
1523a7187c
hex16e0feca

383844042 has 32 divisors (see below), whose sum is σ = 897883200. Its totient is φ = 121213584.

The previous prime is 383843983. The next prime is 383844047. The reversal of 383844042 is 240448383.

It is a junction number, because it is equal to n+sod(n) for n = 383843988 and 383844006.

It is not an unprimeable number, because it can be changed into a prime (383844047) 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 15 ways as a sum of consecutive naturals, for example, 186033 + ... + 188084.

It is an arithmetic number, because the mean of its divisors is an integer number (28058850).

Almost surely, 2383844042 is an apocalyptic number.

383844042 is an abundant number, since it is smaller than the sum of its proper divisors (514039158).

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

383844042 is a wasteful number, since it uses less digits than its factorization.

383844042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374147 (or 374141 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 383844042 is about 19591.9381889593. The cubic root of 383844042 is about 726.7498229425.

The spelling of 383844042 in words is "three hundred eighty-three million, eight hundred forty-four thousand, forty-two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1026 374117 748234 1122351 2244702 3367053 6734106 7108223 10101159 14216446 20202318 21324669 42649338 63974007 127948014 191922021 383844042