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387825938 = 2347558827
BaseRepresentation
bin10111000111011…
…100000100010010
31000000202121011122
4113013130010102
51243240412223
6102252242242
712416315603
oct2707340422
91000677148
10387825938
11189a10405
12a9a70382
136246b306
1439715daa
15240ab5c8
hex171dc112

387825938 has 8 divisors (see below), whose sum is σ = 583416432. Its totient is φ = 193353796.

The previous prime is 387825917. The next prime is 387825989. The reversal of 387825938 is 839528783.

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

It is a self number, because there is not a number n which added to its sum of digits gives 387825938.

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 3 ways as a sum of consecutive naturals, for example, 278720 + ... + 280107.

It is an arithmetic number, because the mean of its divisors is an integer number (72927054).

Almost surely, 2387825938 is an apocalyptic number.

387825938 is a deficient number, since it is larger than the sum of its proper divisors (195590494).

387825938 is a wasteful number, since it uses less digits than its factorization.

387825938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559176.

The product of its digits is 2903040, while the sum is 53.

The square root of 387825938 is about 19693.2967783457. The cubic root of 387825938 is about 729.2542192789.

The spelling of 387825938 in words is "three hundred eighty-seven million, eight hundred twenty-five thousand, nine hundred thirty-eight".

Divisors: 1 2 347 694 558827 1117654 193912969 387825938