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378538303 = 111317315023
BaseRepresentation
bin10110100100000…
…000100100111111
3222101021201221011
4112210000210333
51233401211203
6101321220051
712244344133
oct2644004477
9871251834
10378538303
11184747480
12a6931627
1360568a80
14383b93c3
152337476d
hex1690093f

378538303 has 32 divisors (see below), whose sum is σ = 486162432. Its totient is φ = 289267200.

The previous prime is 378538291. The next prime is 378538319. The reversal of 378538303 is 303835873.

It is not a de Polignac number, because 378538303 - 213 = 378530111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378538403) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 72850 + ... + 77872.

It is an arithmetic number, because the mean of its divisors is an integer number (15192576).

Almost surely, 2378538303 is an apocalyptic number.

378538303 is a deficient number, since it is larger than the sum of its proper divisors (107624129).

378538303 is a wasteful number, since it uses less digits than its factorization.

378538303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 378538303 is about 19456.0608294691. The cubic root of 378538303 is about 723.3857404791.

The spelling of 378538303 in words is "three hundred seventy-eight million, five hundred thirty-eight thousand, three hundred three".

Divisors: 1 11 13 17 31 143 187 221 341 403 527 2431 4433 5023 5797 6851 55253 65299 75361 85391 155713 718289 939301 1110083 1712843 2024269 2647121 12210913 22266959 29118331 34412573 378538303