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383857379 = 13118116189
BaseRepresentation
bin10110111000010…
…011001011100011
3222202021222022222
4112320103023203
51241231414004
6102031221255
712340506503
oct2670231343
9882258288
10383857379
1118774a804
12a867782b
13616abb59
1438da1a03
1523a757be
hex16e132e3

383857379 has 8 divisors (see below), whose sum is σ = 388948560. Its totient is φ = 378799200.

The previous prime is 383857367. The next prime is 383857387. The reversal of 383857379 is 973758383.

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

It is a cyclic number.

It is not a de Polignac number, because 383857379 - 216 = 383791843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 383857379.

It is not an unprimeable number, because it can be changed into a prime (383851379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15617 + ... + 31805.

It is an arithmetic number, because the mean of its divisors is an integer number (48618570).

Almost surely, 2383857379 is an apocalyptic number.

383857379 is a deficient number, since it is larger than the sum of its proper divisors (5091181).

383857379 is a wasteful number, since it uses less digits than its factorization.

383857379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16501.

The product of its digits is 3810240, while the sum is 53.

The square root of 383857379 is about 19592.2785555943. The cubic root of 383857379 is about 726.7582400331.

The spelling of 383857379 in words is "three hundred eighty-three million, eight hundred fifty-seven thousand, three hundred seventy-nine".

Divisors: 1 131 181 16189 23711 2120759 2930209 383857379