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378914319 = 327291571321
BaseRepresentation
bin10110100101011…
…100011000001111
3222101222211201200
4112211130120033
51234000224234
6101333240543
712250501320
oct2645343017
9871884650
10378914319
11184983a33
12a6a93153
136066ac74
1438476447
15233ead99
hex1695c60f

378914319 has 48 divisors (see below), whose sum is σ = 651693120. Its totient is φ = 207567360.

The previous prime is 378914317. The next prime is 378914363. The reversal of 378914319 is 913419873.

It is not a de Polignac number, because 378914319 - 21 = 378914317 is a prime.

It is a super-2 number, since 2×3789143192 = 287152122286467522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378914317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 286179 + ... + 287499.

It is an arithmetic number, because the mean of its divisors is an integer number (13576940).

Almost surely, 2378914319 is an apocalyptic number.

378914319 is a deficient number, since it is larger than the sum of its proper divisors (272778801).

378914319 is a wasteful number, since it uses less digits than its factorization.

378914319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1517 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 378914319 is about 19465.7216408742. The cubic root of 378914319 is about 723.6251830895.

The spelling of 378914319 in words is "three hundred seventy-eight million, nine hundred fourteen thousand, three hundred nineteen".

Divisors: 1 3 7 9 21 29 63 87 157 203 261 471 609 1099 1321 1413 1827 3297 3963 4553 9247 9891 11889 13659 27741 31871 38309 40977 83223 95613 114927 207397 268163 286839 344781 622191 804489 1451779 1866573 2413467 4355337 6014513 13066011 18043539 42101591 54130617 126304773 378914319