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378368705 = 511134112907
BaseRepresentation
bin10110100011010…
…111001011000001
3222100222010021202
4112203113023001
51233330244310
6101313430545
712243036521
oct2643271301
9870863252
10378368705
11184641010
12a686b455
1360509810
1438373681
152333e3a5
hex168d72c1

378368705 has 32 divisors (see below), whose sum is σ = 546473088. Its totient is φ = 247795200.

The previous prime is 378368701. The next prime is 378368707. The reversal of 378368705 is 507863873.

It is not a de Polignac number, because 378368705 - 22 = 378368701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378368705.

It is not an unprimeable number, because it can be changed into a prime (378368701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22862 + ... + 35768.

It is an arithmetic number, because the mean of its divisors is an integer number (17077284).

Almost surely, 2378368705 is an apocalyptic number.

It is an amenable number.

378368705 is a deficient number, since it is larger than the sum of its proper divisors (168104383).

378368705 is a wasteful number, since it uses less digits than its factorization.

378368705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 378368705 is about 19451.7018535654. The cubic root of 378368705 is about 723.2776905577.

The spelling of 378368705 in words is "three hundred seventy-eight million, three hundred sixty-eight thousand, seven hundred five".

Divisors: 1 5 11 13 41 55 65 143 205 451 533 715 2255 2665 5863 12907 29315 64535 141977 167791 529187 709885 838955 1845701 2645935 5821057 6879431 9228505 29105285 34397155 75673741 378368705