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383420938 = 24317325771
BaseRepresentation
bin10110110110101…
…000101000001010
3222201110210122111
4112312220220022
51241123432223
6102014012534
712334011205
oct2666505012
9881423574
10383420938
1118748190a
12a84a714a
13615882c4
1438cca93c
15239db30d
hex16da8a0a

383420938 has 16 divisors (see below), whose sum is σ = 591931296. Its totient is φ = 186162480.

The previous prime is 383420909. The next prime is 383420951. The reversal of 383420938 is 839024383.

It is a self number, because there is not a number n which added to its sum of digits gives 383420938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1993 + ... + 27763.

It is an arithmetic number, because the mean of its divisors is an integer number (36995706).

Almost surely, 2383420938 is an apocalyptic number.

383420938 is a deficient number, since it is larger than the sum of its proper divisors (208510358).

383420938 is a wasteful number, since it uses less digits than its factorization.

383420938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25989.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 383420938 is about 19581.1373009843. The cubic root of 383420938 is about 726.4826972586.

The spelling of 383420938 in words is "three hundred eighty-three million, four hundred twenty thousand, nine hundred thirty-eight".

Divisors: 1 2 43 86 173 346 7439 14878 25771 51542 1108153 2216306 4458383 8916766 191710469 383420938