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378733383 = 32771227373
BaseRepresentation
bin10110100100110…
…000001101000111
3222101122122112100
4112210300031013
51233423432013
6101325323143
712246115650
oct2644601507
9871578470
10378733383
1118486aaa6
12a6a064b3
13606067c2
143842a527
15233b2473
hex16930347

378733383 has 48 divisors (see below), whose sum is σ = 638516736. Its totient is φ = 211861440.

The previous prime is 378733367. The next prime is 378733393. The reversal of 378733383 is 383337873.

It is not a de Polignac number, because 378733383 - 24 = 378733367 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378733343) 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 47 ways as a sum of consecutive naturals, for example, 1015185 + ... + 1015557.

It is an arithmetic number, because the mean of its divisors is an integer number (13302432).

Almost surely, 2378733383 is an apocalyptic number.

378733383 is a deficient number, since it is larger than the sum of its proper divisors (259783353).

378733383 is a wasteful number, since it uses less digits than its factorization.

378733383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 681 counting only the distinct ones).

The product of its digits is 762048, while the sum is 45.

The square root of 378733383 is about 19461.0735315398. The cubic root of 378733383 is about 723.5099849341.

The spelling of 378733383 in words is "three hundred seventy-eight million, seven hundred thirty-three thousand, three hundred eighty-three".

Divisors: 1 3 7 9 21 63 71 213 227 373 497 639 681 1119 1491 1589 2043 2611 3357 4473 4767 7833 14301 16117 23499 26483 48351 79449 84671 112819 145053 185381 238347 254013 338457 556143 592697 762039 1015371 1668429 1778091 5334273 6011641 18034923 42081487 54104769 126244461 378733383